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Horrible Side Effects Of Crest Pro-Health Mouthwash

Horrible Side Effects Of Crest Pro-Health Mouthwash

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From The Consumerist

Reader Monique says that she used Crest Pro-Health Mouthwash and woke up with brown spots on her teeth and no sense of taste. How terrifying!

Crest Pro-Health Mouthwash turned my teeth brown! And on top of that, I can’t taste anything! I can’t believe this stuff is even on the market. My wisdom teeth are coming in painfully, and I am prepping to get them removed next week. So while at Rite Aid last night, I picked up a bottle of Crest Pro-Health mouthwash. I typically use Listerine, but as I said my wisdom teeth are killing me and this Crest CRAP advertises “No Alcohol”. Cool.
Except that after using it for ONE day (in the am and then before bed) I woke up today with brown spots on and in between my teeth and I cannot taste anything at all. After being scared almost to the point of tears, I started googling these symptoms. You wouldn’t believe how many website there are that are dedicated to this nonsense. Crest should be sued for this!

More people need to be informed about this. On top of that, if you read the comments on the site I am linking, Crest wont even reimburse you for the lousy 4 dollars you spend on this poison. Never mind the expensive dental bills I am going to face whitening and repairing my teeth. Spread the word Consumerist.

Yikes! We took a look around the internet and found a lot of people complaining about this issue.

Here are some highlights from

David Case from Flint, MI says:

At the beginning mouthwash was fine. Nice not having the alcohol burn and the breath, that my girlfriend hated. So that was nice.

But after extended use for a month it stained in between my teeth brown. It looked terrible and it cost me a one hundred dollar trip to the dentist to scrape that junk off. The dentist advised that it was my mouthwash after hearing it was this Crest mouthwash that I was using. I was surprised that a mouthwash that is suppose to help clean your teeth actually does the opposite.

Another guy says:

This garbage put dingy yellow and brown stains on my teeth, especially near the gums. A dental cleaning failed to get them off. If I had known this mouthwash could cause stains, I would never have used it in the first place. If my next dental cleaning fails to remove the yellow on my teeth, P&G may have a lawsuit on their hands. It’s to the point where I don’t want to even talk or smile. These Pro Health products should be illegal.

E.Leyden from NY, NY says:

The first thing I noticed was a buildup of white gunk on my tongue. I had just brushed my tongue until it was a nice pink before using the mouthwash, which annoyed me. But it wasn’t just gunk — this stuff was solid. It was annoying, but I could live with gunk. I can’t live with what else it did, though.

Let me put this as simply as possible: This mouthwash destroys your sense of taste. Not just immediately after you spit it out, (it ruins it then too, since water tasted strange when I had a drink before bed) but the next morning as well. I COVERED my eggs in ketchup, yet the normally puckering taste of a mouthful of ketchup was missing. I ate kiwis, pineapple, apple, tea, and nothing. It was like a mouthful of sawdust, or water, or watery sawdust.

About 12 hours after the rinsing, I finally started to regain some taste. I looked up the “active” ingredient in Crest Pro-Health online, called cetylpyridinium chloride. This is what the Materials Safety and Data Sheet has to say about this ingredient: “Toxic if swallowed. Very toxic by inhalation. May cause severe eye irritation. Respiratory and skin irritant,” with a large TOXIC warning at the top of the page. I’m sure the concentration in this product is low enough to be harmless in a single dose, but imagine years of using this? Hopefully this won’t be on the market long enough for that to be possible.

Joseph Adams says:

This is easily the most disturbing thing I’ve ever had happen to me. I’ve never had side-effects like this from ANY over the counter medicine, much less an oral product. My bottom teeth now havebrown garbage in between their teeth.
and I’m worried that they won’t come off (or that it’ll cost me a lot of money to remove them). I don’t think I’ve ever felt so screwed over like this before… this is simply inexcusable. Crest should not be allowed to have a product like this on the market without a huge sticker warning you about its side-effects.

Sadly I don’t think people will see this, and they too will get brown garbage in between their teeth. No one googles or looks up mouth wash on Amazon, though I sure wish I did now…

Has this happened to you?

StumbleUpon It!


  1. Comment by Jim on June 9, 2008 5:59 pm

    I have been using Crest Pro Health Toothpaste for about 3 weeks now and the inside of my cheeks have a rough texture kind of like a cats tongue. There also seems to be slight chemical burns or patches all over the inside of my mouth, with slight red lines surrounding the patches. I called Crest today, June 10th, 2008 and they told me they have had “some complaints” about this, and that it was the product doing it’s job.

    Are they kidding me? Why would I, or anyone else, want open sores from Crest Pro Health, EATING AWAY the lining of their mouth?

    I am now too nervous to kiss anyone, because as everyone knows, you can catch many things with open cuts or openings in your mouth.

    If anyone can direct me to a good lawyer I would be greatfull.

    I am VERY UPSET about this. I always maintain good oral hygene, and I do not want to worry that my mouth tissue is being eaten away by Crest Pro Health, which could risk the integerity of the lining of my mouth.

  2. Comment by Jessica on September 3, 2008 5:14 am

    I also have been experiencing the exact same symptoms as Jim who posted on June 9 2008. I have been so worried about it too. I am extremely angry that Crest doesn’t have warnings about this on their product. I freaking thought I had cancer or some funky STD. I have been googling this for over 2 months trying to figure out what it could be. Well at least now I know. Not only am I going to dump all their lousy product down the drain. I am going to make up business cards with this info about their product and pass them out to everyone I see so no one else has to feel as scared as I did when these symptoms occured. Crest should recall this product ASAP. I am going to call them too and tell them how I feel. This is NOT RIGHT that they can scare people this way and not even let them know that it is a possible side effect of the product. Thank you all so much for taking the time to post your experiences on here. Without you guys I would still be sitting here scared right now over the burns and bumps inside my mouth. thank you thank you thank you!!

  3. Comment by Cindy on October 13, 2008 3:17 pm

    I used this Crest Mouthwash for a while now and it messed up the inside of my mouth. I experienced this immense burn inside of my mouth. Wheneve I would eat hot things, my mouth would start to burn. It had gotten so bad that I had to change my diet. Fortunately for me, I realized that this Mouthwash had been the culprit of this all. It has been about a week later and thank God the insides of my mouth no longer burn anymore. The lining of my mouth still has this awkward taste though, I think it is still healing. I’m glad I got rid of that Crest junk, they should take this stuff off the market. It ridiculous. Thank you all for posting your problems because it lets us all know that we are not contracting these problems out of nowhere; it the stupid product.

  4. Comment by Vanessa F. on January 16, 2009 1:48 pm

    My experience with Crest Pro-Health has been awful as well. Two weeks before Christmas, I visited a new dentist near my job for a cleaning and the dental hygienist instructed me to start using Crest Pro-Health toothpaste and mouthwash. Prior to leaving the dentist office, she also had me rinse with it. As I was walking back to work, I noticed that my gums had started to ache (a dull ache), something that has never happened before after any routine dental cleaning. The dull ache disappeared after a few ours. I thought this was strange but decided not to give it any other thought.

    A day later, I went out and bought Crest Pro-Health toothpaste/mouthwash and began using it as instructed. Between that time and the beginning of this week, my gums and teeth had become so sensitive that it hurt to drink any beverage, even water! My teeth would hurt slight while eating. One tooth on the bottom row has also become slightly discolored. It was only that I went back to my original dentist this past Tuesday near my home to get a crown put in that I made the connection. That night, I did my routine with the products and noticed that the tooth with the crown did not hurt like all the other teeth afterward. The next day, I went back to my regular toothpaste. I noticed that drinking and eating wasn’t nearly as painful as it had been for the past month. I have kept my regular routine up and the pain is beginning to fade. Hopefully, no permanent damage has been done to my gums and teeth. I go back to my neighborhood dentist at the end of this month and will let him know about my experience with this crap that needs to be called Crest Anti-Health!

  5. Comment by Greg on January 25, 2009 8:11 am

    I’ve used Crest Pro Health mouth wash for about a year now, 2 to 3 times a day sometimes. I have Invisaglin braces so when I can’t brush my teeth after eating I use Crest Pro Health mouth wash. For sometime now I’ve been having a constant burning sensation in my throat, I am not sure if this is related to Crest Pro Health, but if I stop using for a few days the burning sensation starts to get better. Anyone else have similar symptoms? I’d like to see how the FDA rates this product.

  6. Comment by Luis on March 23, 2009 2:39 pm

    I also used Crest Pro Health Night and had scary/annoying results. I woke up with no sensation on my tongue. It felt like I had burned my tongue with scolding coffee or something. The next day I started getting open sores all along the top of my gums which were very painful. Made it hard to talk, smile and especially eat! Eating something hot was out of the question because it hurt too much, plus I couldn’t taste it either so what was the point?!

    I’m very upset that a product like this is out on the market, especially with as many complaints that I’ve researched the last few weeks. This is unacceptable, and very uncomfortable for anyone to have to deal with. I will NEVER use Crest products again, because I feel like even though they know what this product is doing, they have no intention of taking it off the market. They are much more interested in making more millions than actually taking care of the customers that they’re trying to market to. Crest obviously has no care or concern for us so I refust to invest in their products…

  7. Comment by Brenda on March 29, 2009 3:22 am

    The most disturbing symptom I had was the loss of taste. It took me about 5 days to figure out what was going on. Everything tasted bland. I could not taste salt no matter how much I used. I will never use this stuff again. I am pouring it down the drain. Why would my dental office recommend I use this product?

  8. Comment by david walston on May 27, 2009 3:28 am

    can anybody share how long it took for these chemical burns to go away in their mouth. I have quit using crest pro health products (paste & rinse) for over 9 days now. one spot has seemed to heal, while another has not made much progress. The skin on my lips in the morning has just about all but quit showing up. Thanks for any help on this topic

  9. Comment by HK on June 10, 2009 1:14 pm

    If anyone is starting a lawsuit or action against them please email me so I can sue them too. I got a bad toothache yesterday and have been going through problems my whole life. I usually swish with some peroxide or other mouth wash and it helps me feel better and Im fine. This time my mom-in-law picked up this crest non alcohol crap thinking it would be a nice gesture of help to my problem. I started using it. At first it was fine, like normal mouth wash with alot less of a tingle. But after a few uses, There it was. My gums swelled up and bled and burned, my tounge is burned on the top and bottom, I cant taste anything and I cant eat anything now because the burns are so bad it feels like HELL in my mouth! This is a major chemical burn and I didnt expect this to happen at all! I havent eaten in 24 hours because it hurts too bad, I do nothing but cry and cry and cry. If anyone knows a way to make it feel better please Im begging you for the love of god let me know please!
    I used it to help me clean my mouth and all it did was BURN ME! I feel like Im going to die. This is THE most severe pain Ive ever felt in my life, and believe me Ive been through some serious pain.

  10. Comment by AP on June 13, 2009 4:24 am

    I’ve been using Crest Mouthwash daily for over a year now and recently over the last few weeks, I started to noticed a bunch of brown rough stains building up on the inside of my teeth especially near the gum linings. There are also some in-between my front lower teeth that is embarassingly noticeable. I don’t really know if the mouthwash is to blame but it may possibly be considering all of the similiar problems everyone is else having.

  11. Comment by Brent on June 27, 2009 1:55 am

    This happened to me too! I wish I heard all of this before I bought it. IT SHOULD BE WRITTEN ON THE BOTTLE, I still can’t taste anything sweet and I have discontinued use a week ago, this is seriously the WORST product I have ever bought, and it doesn’t even have warnings on the bottle, HOW IS THIS LEGAL??
    I honestly will never buy a any product of crest ever again. SAVE YOUR TEETH DONT BUY Crest Pro-Health or should I say Crest Por Health!!!


    Riverside, CA

  12. Comment by Cathy Cassels on September 5, 2009 3:04 pm

    I bought Crest Whitening Rinse because I have Pancreatitis and can’t have alcohol — this product says “Alcohol free”. Even the few drops of residue that you can’t help swallowing after use caused a major flare up in my pancreatitis, even though there is no alcohol in it. I didn’t even realize it caused a flare the first couple times — I had blamed those flares on something else. But after not using it for over a month, then pulling it out again a few days ago, with ONE use of this product the pancreatitis flared again, so I finally put 2 and 2 together. If you have any history of pancreatitis, do NOT use this product!!

  13. Comment by Jim on September 10, 2009 4:03 pm

    I used this product for one month and not only do I have black and brown stains on my teeth but I also have severe gum erosion ; I floss and use a Sonicare toothbrush just like Crest recommends; DO NOT use this product. Crest has said they will pay all medical bill on this; I think the potential for a lawsuit is huge if the damage is permanent.

  14. Comment by Jim on September 10, 2009 4:09 pm

    I have severe gum erosion and black and brown spots on my teeth after only a couple weeks of use; going to the dentist to see if the damage is permanent; Crest has already said they would pay all medical expenses; seems like they know their liability exposure is huge on this

  15. Comment by christie on September 18, 2009 8:10 pm

    I have discolored teeth and brown between them from using Crest Pro Health. I used not only the mouthwash but also Crest Pro Health toothpaste. I always had beautiful white teeth, and I take excellent care of them. When Crest came out with this product I thought it would help maintain my white, bright smile. However now I have a brown, and discolored smile and am so embarrassed I do not smile.I am very depressed over what has happened to me. Someone is sueing Crest. I to would like to be involved in a lawsuit against them. Maybe we can get a class action lawsuit going. Crest needs to compensate for our horror and pay for our dental work we need. Christie

  16. Comment by Peter Geraci on October 11, 2009 4:52 pm

    I started to use Crest Pro-Health rinse and immediately noticed that I lost all sense of taste and that
    my tongue became numb. After rinsing I also noticed that my tongue turned brown and that a nasty
    film acccumulated. I have neve had a reaction to a product like this. My dentist recommened that I use thei product. I have every intention of telling my dentist that under no circumstace will I use this
    nor should they offer it as a rinse when I visit.

  17. Comment by Changmin on January 16, 2010 5:43 pm

    I have my dental cleaning twice a year. Since I used Crest Pro-Health Mouthwash from late of 2007, my teeth were terribly stained, which both I and my dentist noticed. In October, 2009, I changed my dentist and the new hygienist told me that Crest Pro-Health Mouthwash does stain teeth and asked me to use Listerine. Since I stop using Crest Pro-Health Mouthwash, my teeth are white and are not stained anymore.

    I heard news last night about the horrible side effects of Crest Pro-Health Mouthwash. The company spokeswoman said that the stain results from dead bacteria, which indicates that Crest Pro-Health Mouthwash is working. I don’t think so. I always brush my teeth with toothpaste first, then floss, then use Mouthwash, finally, wash my teeth with waterpik (three cup of water) to get rid of the smell.

  18. Comment by EvaLee on June 25, 2010 3:24 am

    My mouth is on fire and I just found this website! Now that I know what is causing this I will stop the toothpaste but is there anything to relieve the pain. I tried ice but it hurt so bad! HELP!!!

  19. Comment by Olivia on August 12, 2010 1:56 am

    I recently got my tongue pierced, and was advised to use an alcohol free mouthwash. I went the the store, and bought a bottle of Crest Pro Health rinse.

    After using it for one day, I woke up this morning with HORRIBLE chemical burns. My whole mouth felt as if it was on fire, my gums are white and peeling and raw, and even the bottom of my tongue is blistered and burnt, and my face is very swollen.

    Literally, I can say that this has been some of the worst pain I’ve ever been through in my life. My mouth is burning constantly.

  20. Comment by Don on August 14, 2010 3:32 pm

    After using ProHealth mouthwash for a period of about three weeks 3 x a day I starated losing my taste. My gums became inflamed and were burning. I had sloughing tissue in the roof of my mouth. However, the worse part was that I have entirely lost my sense of taste. It has been three months and 4 visits to an ENT specialist. I would like to know if anyone has had a similar loss of taste and, if so, has it come back?

  21. Comment by Latasha on September 20, 2010 1:43 pm

    I have only been using this mouthwash for about a week but I am about to abort, abort, ABORT! I like to cook. More so, I love to eat and I cant taste anything!!! I am drinking coffee right now and I cant even taste it. It just feels like some warm thick gunk running over my tongue. I knew something was up the first time I used it twice in the same day and it horribly burnt my tongue. So much for no alcohol burn. The phophoric acid (possible misspelling of the ingredient) seems to do a better job of burning out my taste buds. Fortunately, I a havent gotten the brown stains yet and I am not waiting for that to materialize. Because I am stubborn and wanted to make it work because it is supposed to do so much for my enamel I have even resorted to mixing it with water. Still burns and I still cant taste anything. I am so disappointed. I grew up pretty much a Crest kid. The thing that really bothers me is my mother only recently started getting brown stains on her teeth after years of very nice teeth. I am starting to wonder if she is using this product too. Asking the dentist does no good. They are just trying to collect a paycheck. They tell her it comes with age. If so it would have been progressive not suddenly.

  22. Comment by Latasha on September 20, 2010 1:46 pm

    Oh yeah. There is a warning on the label about possibly staining the teeth. I only noticed it last night. Even so, they dont give detail of what type of stain. I assumed a very faint stain nothing to alarmed about seeing as I drink coffee. Now that I am hearing about these brown stains I am totally horrified. I really feel bad for everyone who has gotten screwed twice by Crest when as for me it is just my tastebuds are fried but slowly regaining they functionality.

  23. Comment by Latasha on September 20, 2010 1:52 pm

    Okay last message I promise. Here are some natural teeth bleaching remedies that you might want to try if your enamel isnt too weak. Take a lemon, quarter it and bite down on it’s pulp and hold it for about 2 minutes, spit it out, brush your teeth and floss. You should see some results in about a week. Do not drink any dark beverages like coffee without brushing or chewing a whitening gum immediately after ward. Another remedy that I havent tried yet is the eating fresh strawberries. I had a friend who always had very bright teeth and she said that eating strawberries kept her teeth white.

    Again I really feel bad for all of you who’s teeth have been stained. Best of luck in removing them with this method.

  24. Comment by Rick Blunschi on October 7, 2010 2:14 pm

    I had my teeth cleaned 2 months ago. Right after this I started using crest pro health mouthwash. Within a week I started noticing brown spots on my teeth and especially around the gum line. It got so bad that I got scared and went back to see my dentist this past Wednesday. As soon as he looked at my teeth he was amazed. He said he had never seen any thing like this before. He also said he wished he had his camera with him because he would love to have some pictures of this. He immediately knew it was the Crest mouthwash that caused this problem. He put his best dental hygenist on my teeth to try and remove these stains. After an hour and 40 minutes of her working, she was able to remove most of the stains. I am in the process of sending a complaint to Crest. My dentist has also agreed for me to use his name and address in this complaint. I am going to ask that they remove this product from the market immediately or face the risk of a major class action lawsuit.

  25. Comment by debbie on November 10, 2010 5:58 pm

    i have been using the rinse agent for aprox 6 months.I noticed my gums and inside of my cheeks peeling and alot of i have sore which looks like my gum is being eaten away.Until i saw this i thought something was very wrong and used it more ! i am low income and cannot even afford to go to a dentist to see what can be done about the sore and cleaning up my stained teeth . i am very upset that a brand such as this can get away with this .

  26. Comment by jesse on November 29, 2010 3:53 am

    I have been using the crest pro-health mouthwash for about four months now and ever since then the lining of my mouth has been falling out, but I didn’t experience any of the burning sensations (except while rinsing with it) that some of you have mentioned. I have known it was the problem for a while but since nothing else had happened I kept using it but after looking it up and seeing all the horrible things that it had done to others I believe it is time to stop use. Anyone else just have the lining of their mouth fall out?

  27. Comment by JAW on December 7, 2010 8:52 pm

    I just started using Crest Pro health, after the first use I lost my sense of taste. I will never use this product again.

  28. Comment by jakina lynum on January 15, 2011 8:37 am

    i tried using crest pro health mouth wash for the fist time, shortly after about a week later my taste buds are gone. my gums were very irritated, redish blood clots have turned to darkish spots along the front part of my gum line. i google the product & see that many people are having the same issues… proctor & gamble first aide team was calling to just check on me but was not doing nothing about the issue, i felt that crest should have a network of dentis that they could send a person to for a resolution. i was wrong, they sent me a nice/nasty letter basically advising that the issues will resolve its self (hey they are not in my body & do not know how the chemicals have effected my mouth)in the initial call, they advised 2-6 hours of recovery, at that time it was already 12 in to using it last. i have went to the ER, they advised that i have been chemical burned. the doctors refered me to an ENT (Ear nose & throat) my taste buds are gone… no sense of taste juice taste like water, all fruit taste the same, as if im just eating something crunchy. between salt & sugar i cant tell the difference on my tongue. i used this product in good faith… their slogan is TOUCHING LIVES, IMPROVING LIFE… which is straight bullshit. it makes me be a detractor to the company & makes me want to stop using all the product that they offer

  29. Comment by Kim on January 21, 2011 2:55 pm

    SO glad I found this. I just bought Crest WD Whitening mouthwash yesterday and used it for the first time last night. I immediately felt tingling on my tongue, and saw that my taste buds were turning red. I didn’t think much about it, but this morning I can’t taste ANYTHING. I can’t believe there is this many complaints about this stuff. I figured since it was Crest they would do their homework. I’m pretty freaked out. Definitely not buying ANYTHING from crest anymore.

  30. Comment by natalie on February 10, 2011 3:45 pm

    So me and my husband have been using Crest pro-health for a couple months now. I have been complaining about having the weirdest tastebuds , but stupid me JUST thought “maybe it’s the mouthwash?” So i decided to look it up and see if there were any other complaints about this stuff and sure enough there are tons of them!!!!!!!!!! After posting this, the rest of the bottle will be poured down the toilet. I can’t believe they sell this crap. TERRIBLE!!!!!!!!!!

  31. Comment by Gerald on February 20, 2011 6:41 pm

    I have experienced deterioration of the tissue inside my mouth behind my lower lip ever since I have started to use crest pro health tooth paste and i thought I had some kind of disease. They did not even address the issue when I emailed them and now the deterioration is recurring….

  32. Comment by denise on February 25, 2011 8:43 pm


  33. Comment by Patty on March 8, 2011 5:11 am

    I purchased Crest Pro-Health Mouthwash a long time ago. I thought it would be better because I don’t like the feeling with the alcohol and the burning. Well, I used it one night and woke up the next morning and couldn’t taste anything either! My tongue felt super dry and all I did was taste the mouthwash for the next day or so. Yes, it went away. Probably because I stopped using it.

    Well — I still have it in my cabinet, and my gums were hurting really badly today. So I decided to use it. (Like an idiot after I found out that everything that happened before was actually the Crest.) Thank GOD I can still taste things! It’s probably because it’s expired, that it didn’t mess up my taste buds. (HAHA) I also realized that randomly, there is a brown stain on 2 of my front bottom teeth (near the gum line). It looks horrible and I am deeply upset about it.. It makes it look like my teeth are starting to rot! I’m hoping, when I go to the dentist at the end of the week, that they can remove it and it hasn’t caused any serious damage! (It has been a long time, and I am wayyy overdue for a dentist visit — I haven’t had insurance until recently, since I was 18, and now I’m 22.)

    I don’t know why Crest is still allowed to make this crap!

  34. Comment by Rob on March 8, 2011 3:48 pm

    Yep, let me add my comment to this terrible collection of horror stories. Last night I bought a bottle of the ironically-named Crest Pro-Health mouthwash from CVS. After two uses, last night and this morning, I can no longer taste my food. How can this poison still be on the market after YEARS of consumer complaints?!?

  35. Comment by BK on March 8, 2011 10:47 pm

    I got back from my last dental cleaning. I rescheduled after a couple months because my teeth were so disgustingly stained. A few weeks after using Crest ProHealth mouthwash at the advice of my hygenist and my teeth turned brown, yellow, and even a hint of green (the mouthwash was green). That’s when I scheduled an appointment. The hygenist was horrified, she couldn’t believe it. She could not believe that I had been brushing and flossing, chewing dental gum, and drinking lots of water. My gums had never bled so much in my life during cleaning. She said she could’ve swore that I hadn’t cleaned my teeth for at least 2 years.

  36. Comment by Mae on March 24, 2011 1:52 pm

    I used the Crest Pro-health toothpaste for my gums, I just got the first tube and soon after using it I noticed sore spots in my mouth and that the between the teeth were turning brown. I stopped using the toothpaste and used my other toothpaste just to see if the irritation would stop, and it did, thank goodness. Guess I won’t buy Crest Pro-health any more!!

  37. Comment by Robert on April 4, 2011 1:42 am

    I am a dentist. I provide my patients with a toothbrush, toothpaste, and often a sample mouthwash to take home following their cleaning appointments. I was recently approached by a Crest sales representative in an effort to sell to my practice a package deal of brush/paste/mouthwash at a competitive price for the purposes of providing these to my patients as well as recommend the product (crest pro health paste and rinse). Prior to committing to a decision I decided to go home and try it out myself. I had no side effects with the toothpaste. I am not concerned about staining as I know that I do not have plaque or tarter near my gum line to stain. I was very alarmed to find that the Pro-Health Rinse after 2 days of use (3 times a day–one of those times it was in my mouth for 3-4 minutes) caused taste loss for me. I immediately discontinued use of the rinse; however, I had near complete loss of taste for several days. My sense of sweet was diminished and my sense of salt was completely gone. I complained to my wife that her food was too bland so I got up from the table to season it myself. To my surprise, my food was still bland. Fortunately my wife accepted my apologies and I was not in the dog house with her. A loss of taste is quite a depressing ordeal. I had no interest in eating. I will not be recommending the Pro-Health line of products to my patients. I will share with them my personal experience. I will continue to recommend a Sodium Fluoride Toothpaste, a Listerine w/alcohol-type mouthwash, followed by a non-alcohol fluoride rinse such as ACT.

  38. Comment by Colonel Angus on April 13, 2011 2:30 pm

    You are all full of it. The stuff works fine for me with none of these side effects listed. Maybe you people are crazy hypochondriacs?

  39. Comment by Boni on April 15, 2011 6:53 pm

    I have red painful spots on my tongue. My husband looked it up on the internet and found lots of people complaining about the same thing after using chest pro health mouth wash. Ive been using it and my son has been using it. Even when it started I continued to use it thinking the mouth wash would make it go away. I wonder now how much damage is done and how long it will take for it to go away. I’m not going to use anymore and I’m tossing the tooth paste as well. It’s scary to know that company’s can put stuff like this out there with no worry’s about the people who use it.

  40. Comment by nicole on April 26, 2011 5:59 am

    So, now that we have all personally dealt with the side effects, how do we reverse them?

  41. Comment by SoCAL on May 4, 2011 7:42 pm

    Talk to a Dental Staff member and mentioned slight loss of sensation/taste on tongue. She said to STOP USING IT.

  42. Comment by TIm on May 22, 2011 3:39 pm

    I used Crest Pro Health Mouth Wash on Wednesday May 19th 2011 after eating my lunch. Wednesday evening at bedtime I brushed with Pro Health paste and rinsed with Pro Heath Mouth wash again. I noticed my mouth was very tender and below my bottom lip and I had light small blistering. I woke at midnight with burning and pain inside my mouth and severe blood blisters on the left side of my jaw. The bleeding lasted all night and in the morning I had chills and diarrhea. My whole mouth was raw. Reported to P&G hotline and I will be receiving a coupon for more Crest product! Sorry P&G I had to go to the Doctor for treatment and chemical poising is not my idea of a safe product

  43. Comment by Shelley on June 9, 2011 12:09 am

    My 12 year old son used Crest Pro Health last month for the first time and the next morning complained of burning on his tongue and on the inside of his mouth. I chalked it up to maybe eating something too hot the night before. However, last night he used it again and today he has SERIOUS open sores that look like chemical burns all in his mouth, on the tip of his tongue and inside his cheeks next to the gum line. He cant eat, drink, it hurts to talk, and he cant taste anything, and he is in pain. The taste buds on the tip of his tongue are so swollen and red that they look like they could rupture. I am so disgusted at this product that I too would be interested in suing. I will be calling Crest and letting them know what happened. And I can promise you, NO CREST PRODUCT WILL EVER ENTER MY HOUSE AGAIN!!!!

  44. Comment by Kaitlyn on June 11, 2011 6:24 pm

    Yeah I used this on one occasion and it made my mouth taste bitter and made my mouth numb. I can’t even taste anything. This is ridiculous!!!

  45. Comment by Cheryl W. on June 13, 2011 3:04 pm

    I bought a bottle of Crest Pro-Health mouthwash yesterday at Wal-Mart because I wanted to try a mouthwash that was alcohol free. I used it before going to bed and I noticed that my mouth was really dry and my tongue felt like it had a film on it. I used it again in the morning before leaving for work and I notice that my mouth was extremely dry and my tongue felt numb. I couldn’t enjoy my breakfast because my food-tasted funny and my tongue felt rough. I decided to goggle Crest Pro-Health side effects when I got to work and that’s when I found out that several people have experienced the same symptoms. I will never use this product again and I am really disappointed that Crest would allow their good name to be tied to such a horrible product. I have used Crest toothpaste all my life with no problems but there is obviously something wrong with this mouthwash. DO NOT USE IT! I am not a hypercondriac it’s rare that I write a negative review about anything, but I felt compelled to warn the public about this toxic mouthwash.

  46. Comment by Cheryl W on June 13, 2011 4:53 pm

    Please do not use this product. I have used Crest toothpaste for over 30 years with no problems and I was shocked to find that people were having the same side effects to Crest Pro-Health mouthwash as I did. After using Crest Pro-Health mouthwash, it dulled my taste buds and it made the side of my mouth feel rough. I am very disappointed in Crest, I thought they were a more responsible company. If big companies would realize that we buy their products and pay a little more because we trust their products, but when something like this happens it makes you mad and skeptical of ever buying another Crest product again… I know I wont.

  47. Comment by Eric on June 15, 2011 12:26 pm

    I’ve been using Crest Pro Health tooth paste (about 3 1/2 tubes now) and finally go tired of the skin literally peeling from the inside of my mouth after every use. I decided to lookup this product on the web. I’m amazed that for at least 4 years, people have been complaining about this product. I can’t see how chemical burns can be healthy (Pro or otherwise.) For Crest to continue to sell these products is unbelievable. If I end up with mouth cancer or something, you can bet that Crest will be sued. I’m stopping its use as of today!

  48. Comment by WTH? on June 18, 2011 4:31 am

    I’ve been using this whenever I run out of Listerine and I think you are all crazy as hell. I’ve never ONCE had any of these issues. What the hell is wrong with you people?

  49. Comment by sara on June 22, 2011 7:17 pm

    so, i got my tongue pierced like 2 days ago, i only used crest mouthwash “alcohol free” for one day and today i woke up with my mouth on fire, it burns soo bad and my gums are all white and peeling and swollen, it sucks so bad! not only am i waiting for my tounge to heal but now my hole mouth is burnt really really bad

  50. Comment by Carrie on June 25, 2011 5:43 pm

    I have used the pro health gum protection toothpaste for a week. I seriously though that I had was a food allergy and it hit me yesterday that its the toothpaste. My lips are swollen, the skin around my lips are red and have small sore developing at the edges of my lips. Inside my poor mouth, my inner cheeks are “PEELING” and my gums are raw and puffy. I don’t feel pain because my mouth is numb!!! I also sent a message to crest and I got an email back that they are sending me a coupon for a free tube of crest toothpaste, seriously?? I’m not useing crest products ever again!!!!!

  51. Comment by Alice on June 27, 2011 5:15 am

    Help! My tongue has lost it’s taste buds, it burns constantly and I can’t eat much at all. I used the Crest Pro-health for over 10 months now and I finally thought back to when the problems begain and Wow, I remembered that it started when I began using the mouthwash. I would love to let others know the dangers of this product.

  52. Comment by connie on July 7, 2011 8:51 pm

    I went to the dentist today to get my teeth cleaned. The hygienist asked if I had any concerns. I told her I had stains on the base of the bottom front teeth and in between those teeth. I also told her I have an “off” taste in my mouth, especially in the morning. It reminds me of the rotten taste I had in the past when I had an abscessed tooth. She asked if I used mouthwash. When I told her I had been using Crest Pro Health, she said their office has had a lot of similar complaints and advised that I stop using it immediately. She was able to scrape off the stains. I hope the funky taste in my mouth goes away. It is hard to believe that Crest hasn’t stopped producing this product. It is obvious there is something wrong with it. They are really open to a class action lawsuit.

  53. Comment by alice on July 15, 2011 12:38 am

    I have been useing Crest Pro Health for about a month now. I noticed my teeth turning a dingy brown and at times sore. Then someone told me about the complaints and I looked it up. Wow all the complaint on this product, everything Im reading has happened to me. I just put over $800. into my teeth and I trusted this product. Why dont they remove it from the stores? I just put all the produts in the trash and will be warning everyone not to buy this poison.I have always trusted crest products untill now. I guess you cant even trust a great product company like crest (that we grow up with) PULL THIS PRODUCT FROM THE STORES FOR OUR HEALTH……………….

  54. Comment by Lynette on July 16, 2011 7:52 pm

    I have had stingy white membrane forming in my mouth for weeks. Have to clean it out with a kleenex a couple times a day. I thought I had thrush, but the more I read about thrush, the symptoms didn’t match. Today I just searched stringy membrane in mouth and found dozens of comments about Crest Pro Health. I went and checked my toothpaste and sure enough that’s what I have just used almost an entire tube of. Previously used Colgate. So I will quit using the Crest Pro Health and contact P & G on Monday. I know a truck driver who delivers to a Colgate plant in Morristown, TN and he hauled in a load of haz mat product that Colgate uses in their toothpaste. I’ll start paying more for natural toothpaste from now on.

  55. Comment by andrew on July 23, 2011 2:58 am

    i recently had my tongue pierced and was told to get an alcohol free mouthwash so i bought pro helath. i routinely used it 10-12 times a day, like i was told. after the first day of using it, i had made pancakes and loaded on the syrup but i couldn’t taste any sweetness to them. i freaked out and started to take spoonfuls of sugar but couldn’t taste a thing. by the next day my taste buds were inflamed and were coated with a white substance. then my gums soon began to ache and felt like they were peeling off my teeth. by the third day, my entire mouth was swolen and pain killers had absolutely no effect what so ever. i had originally thought that my tongue had just got a really bad infection but i couldn’t find any blogs or websites that had people suffering the same symptoms. i then decided to look at other things being the reason, and soon enough i found this website

  56. Comment by Alexandria on July 30, 2011 10:40 pm

    # Comment by Colonel Angus on April 13, 2011 2:30 pm

    You are all full of it. The stuff works fine for me with none of these side effects listed. Maybe you people are crazy hypochondriacs?

    Ya because 1 person has leather for gums we are all fakers….

    My story:

    I am 24 years old and in the military, on a dare i decided to pierce my tongue. When i left i stopped at wallgreens to get some mouthwash, i picked up crest pro health because my parents typically use crest and i wanted alcohol free to ensure less irritation.

    Well i started using the mouth wash regularly. After each meal i was to use it for about 30 seconds t ensure no infection had a chance. Well after about 2 days i noticed something was wrong. the pain i was feeling started to dissaociate itself from the piercing. the bottom of my tongue was so sore it was causing me to salvate continulously. this then caused my throat and neck to hurt. soon after i felt intense pain in the webbing between the gums and bottom lip. i pulled my lip to see, it was white and dead. i also saw over the corse of another day that mouth sores began to erupt. I quickly stopped using it after about 4 days of use. i am on day 8 of my piercin. my tongue is white, i have no sense of taste, i am in intense pain, i have mouth ulcers, my gums are constantly irritated and feel like i need to brush, the skin on the underside of my tongue turned yellowish and now white and clear. my tongue and gums are dead and cause me so much pain i cannot eat most foods. I am eating about once a day and quickly washing my mouth out.

    For those of you with severe pain, this is painful im sorry but it really helps with healing. Mix warm water with baking soda and salt. it should be very nasty tasting, i dont really measure but id say half a teaspoon of salt and a full teaspoon of baking soda, use it every morning and night, everytime you eat, or when you are in severe pain. It will make you salvate but you need to hold it in your mouth for at least a minute. my uncle is a dentist and he said it should be MOSTLY healed in about 10 days… im on day 4 so far since i quit using it.. ill post again when its healed.

  57. Comment by MJH on August 4, 2011 4:39 am

    I just bought the Crest Pro-Health Complete mouthwash three days ago. I usually use Listerine because of the clean feeling I get, but as I have acid wear on my teeth from a lack of enamel (due to medications I took when I was a child) I wanted to find something that “helps rebuild enamel.” To my relief, the Crest wash bottle said that the product did just that.

    I washed with it two nights ago before I went to bed. When I woke up, I did not have morning breath in the least which surprised me. I thought that the mouthwash must really be working that 12-hours promoted on the bottle. I used it again that morning, and noticed that my breakfast and lunch tasted strangely bland that day, but my breath felt fresh all day! That night I used it for a third time before getting Mexican food with a friend. While at dinner, I noticed that my sense of taste had drastically diminished - so much so that I literally licked around the rim of my margarita glass to get a mouthful of rock salt. I am being completely candid and truthful when I tell you that all I could taste of the salt was a slight sour flavor and the crunchy texture of the crystals.

    I have not used the wash since (last night before dinner was the third and last time I used it), and I have not been able to taste my food all day today. I cannot taste salt at ALL, and my perception of sweet is strangely off as well. My tongue feels as though I burned it on something hot, but there is no pain - just a strange texture and lack of feeling.

    If you are using this product and believe as I did for a short time that it keeps your breath fresh for hours upon hours, think again! The chemicals in the wash literally burn your taste buds and deceive you into thinking that your breath is fresh, when in actuality your sense of taste is so lacking that you couldn’t even taste a mouthful of rock salt - take it from someone who tried.

    Please, please, please do not continue using this product if you are experiencing similar symptoms. I did not experience the brown stains, but the immediate and lasting loss of my sense of taste has been one of the most disturbing, disconcerting experiences I have ever had. Crest should be ashamed of their deceit. I am throwing away my Crest toothpaste as well, and and will continue to hope that my taste comes back. I believe that if enough people make enough noise about Crest’s false advertising and reckless neglect, we can petition to have this product removed from shelves. It is clearly effecting their consumers’ quality of life. So not worth it. Don’t buy it, and if you already have, POUR IT OUT.

  58. Comment by Suzie on August 11, 2011 1:38 am

    Used Crest Pro-Health Complete Rinse once and when I ate three hours later I thought my food tasted a little off. This morning, hours after using it, my water and food tasted strange. This is when I realized it had to come from Crest Pro-Health which I had only used twice. Mentioned it to my husband and he said, “I thought my yogurt was spoiled”, he had noticed a change in taste as well after only 3-4 uses.

  59. Comment by Robert on August 20, 2011 5:21 pm

    My experience with this Crest Invigorated Rinse is right from hell; I developed a rash from head to toe and mouth sores. When a phone call was placed to Crest they recommended to discontinue using the rinse and to rinse with salted water. I lost significant amount of weight and spend many sleepless nights. I’m glad I was able to find this site and find the culprit to this horrible ordeal. I hope the company removes this product from the stores.

  60. Comment by Brad on August 24, 2011 12:06 pm

    I have all the same side effects as everyone else on here. I have been using Crest Pro Health for 3 days. After the first day, I noticed the roughness on the inside of my mouth, along with red / sore gums. At first I thought it was getting used to something new. After this continued, I stopped use and started looking up side effects of this mouthwash. I will definitely be discontinuing use of this product and all Crest products from this point on. If the feeling and taste does not return, I will be looking into legal action. Perhaps a good place to start is to find a lawyer that is willing to to a class action lawsuit against Crest for this.

  61. Comment by Steph on August 26, 2011 4:23 am

    I bought Crest Pro-Health Complete [purple kind] and it was ok the first few times I used it but then lately I’ve realized that my gums were developing blisters. Glad I’m not the only one with this problem.

  62. Comment by Cindy on September 3, 2011 1:57 am

    I was recently given this mouth from a friend of mine. I only used it twice within a 24 hour period. I usually use Listerine while strong for a lot of people NEVER did what Crest’s product did to me. I had loss of taste. My tongue has red spots like it gets when I’ve burned my tongue with something hot. Its been almost a week now since this has happened I’m slowly getting my taste back, but everything has like a metallic after taste to it. I’ve already gotten rid of the bottle I had and I WILL NEVER use this product again. I am using the Crest 3D white and had no problems with it. For this mouthwash being “alcohol free” it sure did a lot of damage than one that has it.

  63. Comment by Patrick Berg on September 4, 2011 6:11 am

    I used this product for a couple of weeks because my dentist recommended it and MY TEETH TURNED BROWN!! I stopped using it/switched to Listerine and the brown color subsided.

  64. Comment by Roman on September 10, 2011 4:33 pm

    This product should be banned, I’ve been using it work a week and at first didn’t notice anything. Then I noticed the brown spots, so I thought I was brushing enough and today, It’s been 16 hours since I used this Crest Pro Health mouthwash(I’m never using it again) and I can’t taste properly, can’t feel the salty taste anymore, I sure hope I get back the taste..I’m quite worried.

  65. Comment by francis silva on September 11, 2011 3:05 pm

    Sorry to say my dentist had recommended the crest pro mouthwash for dry mouth. Now my teeth are brown & almost black. So glad we found this web site. Couldn’t figure out what was going on with my teeth! Have dentist appt. tomorrow and have made a copy of these letters…Would like to sue the Crest company. If anyone is interested, please e-mail me!! Thank you!

  66. Comment by Leech on October 1, 2011 7:37 pm

    iv just fallen victim to creast prohealth mouthwash and have promptly discontinued useing it. the problem is that i have just gotten my lip pierced and still need to use mouthwash a few times daily to keep it from getting infected. i can bearly stand to sip some water, much less rinse with listerine for 20 seconds. im very upset with crest. i havent been able to eat in a few days which is a problem because i am a recovering anorexic and a lot of people dont believe that i havent been eating because it hurts so much. thanks crest (*angrey hand gesture*)

  67. Comment by Amaryllis on October 29, 2011 4:33 pm

    Can somebody, please, explain WHAT, specifically, is causing the brown staining of the teeth? Which ingredient(s), and how?


  68. Comment by Laurel Burk on November 21, 2011 9:07 pm

    I wanted brighter teeth, so I bought the expensive mouth wash that had seemed to be working for my cousin. It was like $6.00, so I had expected it to actually WORK, but I guess that’s to much to ask.I used it for a week or 2, and today I used it after school. It was hurting my gums in a spot below my tooth, and I had it in for about a minute. When I looked in the mirror at that spot…….my gum was completely WHITE!I got really freaked out, and started looking up side effects. People have been complaining about this crap for a VERY long time, in my opinion. WE NEED TO DO SOMETHING ABOUT THIS!!!!! WHAT HAPPENED TO MY GUMS??????? PLEASE HELP ME FIGURE IT OUT!!!!!!

  69. Comment by Kyle Elise Christensen on December 15, 2011 5:12 am

    Well, is anyone going to help me file a class action lawsuit, or are we just going to take this crap from another company who is obviously producing their products elsewhere now?

  70. Comment by Roberta on December 16, 2011 9:39 pm

    I am horrified to find that after 3 years of comments, this product is still on the market. I googled my problem regarding not being able to taste salt and found all of the complaints. I just started using Crest Pro-health mouthwash this week. I have been telling my husband that I can’t taste anything and was scared I had some fatal disease. What’s even more horrifying is that on this page of this website where all of these poor people having posted their experiences with Crest pro-health products, this website has allowed Crest to advertise on this page. Nice!

  71. Pingback by Mouthwash taste buds – Mouthwash | Personal Care on December 25, 2011 5:58 pm

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  72. Comment by susan bush on January 5, 2012 10:53 pm

    I used crest pro health toothpaste and mouthwash just like the package said everything seemed fine at first…..mouth felt nice and clean ,then all of a sudden after a couple of weeks my mouth started getting blisters,burning and pain…now my gums are like ate away my teeth are cracking and breaking…I have know idea what to do or who to see…..I’m so upset….this product is so unsafe…..

  73. Comment by Sara on March 6, 2012 3:31 am

    I have used pro health for about a year now, and I also noticed the browning between my teeth and near my gums. My dentist actually recommended it to me. The brown stuff always comes off at the dentist, but it really bothers me. I have changed to an oral-b battery powered brush and that has helped. I think it is because there is no alcohol in it, so it doesn’t remove all of the build up that listerine would remove. That’s my guess, since the dentist can scrape it off. I have not noticed a loss in taste, however, I just switched to the whitening mouth wash and am noticing a lot of tooth sensitivity.

  74. Comment by George McKruly on March 27, 2012 11:37 pm

    Sounds like Listerine hired a large crew of folks to spread false word on this Crest prohealth product negative effects? It works fine for me and better than Listerine!

  75. Comment by Sara on March 29, 2012 7:24 am

    monday i got my lip pierced and i heard this would be the best brand to use.
    after the next day of using this product my tongue started to feel odd, kind of like i burned it. i then ate some chips and and they tasted horrible and off, i drank some water and the taste of everything for the rest of the day was weird. its 3 days later and i cant taste anything, not even my lemon aid. i dont know what to do to get my taste back, will it come back?!
    WHY IS THE PRODUCT ON THE MARKET?!?! i sent a email and want to call, but i heard all they offer is coupons for more of their products…i have been lucky to see no staining. tomorrow im going to buy some biotene since its alcohol free, which i need for my piercing.
    i HATE this feel of not able to taste anything! and my tongue feels so weird. it is very tender and looks to be a bit whitish with red dots, im guessing my taste buds being irritated….
    worst product ever.

    how do we reverse this?!

  76. Comment by Savannah on May 5, 2012 8:47 am

    I’m 19 years old and have been using Colgate products for a long while but my Mom was concerned about the redness of my gums and was sweet enough to pick up the the Crest pro-health mouthwash and matching toothpaste to help fight gingivitis and cavities. She gave it to me when she got home in hopes that it’d help and just a while ago I brushed after a midnight snack and..the first thing I noticed was the numbing sensation on my tongue. I just sat down at the computer to do some late night browsing and a I felt something stringy?

    The skin on my lips has completely peeled off in stringy bits. I rubbed the inside of my bottom and top lip with the collar of my t-shirt curiously and I got even more of this was stringy and very gooey…and only when I looked closer did I realize it was flesh………..
    I’m extremely alarmed that the inside of my mouth is peeling and I’m so glad that I’m not the only one complaining about this product.
    I’m scared to see what my mouth is going to look like in the morning. I hope this doesn’t last..

    I would not reccomend this and I’m throwing it out in the morning!

    I have no known allergies and have used products stronger than this rinse with no chemical burning.

    I hope you’re all feeling better soon.

  77. Comment by Krissy on May 8, 2012 1:45 am

    I started using the crest pro health clinical rinse 3 weeks ago, BAD idea. My gums and the inside of my cheeks burn so bad and the top of my tongue is numb all the way down to my throat and under my tongue my mouth is burning. I can’t taste anything at all. When i eat my teeth hurt so bad.Can’t sleep without constantly getting up to spit out the nasty tasting stuff. DO NOT USE THIS RINSE.

  78. Comment by Ann Vidor on June 22, 2012 3:40 am

    I inadvertently ingested two teaspoons of Colgate Total toothpaste and 1 cap ful of Crest Pro Health. It is 1100 ppm, and I am 140 pounds. Do you think this will be fatal? I am stiff, and my stomach and bowel were bothered. Thanks

  79. Comment by Ann on June 22, 2012 3:41 am

    Please respond and give me your thoughts.

  80. Comment by Roxaz on July 3, 2012 8:55 am

    I came across this the night I started using Crest Pro-Health. The reason I decided to look is because my tongue has gone partially numb, and water tastes disgusting.

    I’m not going to use this crap. Thank you.

  81. Comment by AlaynaJ on August 15, 2012 5:21 pm

    It’s been more than a year since anyone has commented on this, but Crest Pro-Health is still awful!!!! I’ve recently had a lot of problems with tooth pain, and usually, I just hold cold water in my mouth for about a minute at a time and it diminishes the pain. I discovered a few weeks ago that rinsing with mouthwash makes the pain go away for a longer time- usually 2 or 3 hours as compared to 5 minutes when I was just using the water. So i decided that I would buy a bottle of the “new and improved” Crest Pro-Heath Invigorating Clean (which is NOT Alcohol Free!) to rinse with to try and help with the pain. Here it is, the next day after I bought it and rinsed with it once yesterday morning and all of my taste buds are not working. I haven’t been able to taste ANYTHING for close to 24 hours now and it feels as if my tongue is a piece of sandpaper inside my mouth. I do not have any health or dental insurance currently and I still owe my dentist money from procedures I had done last November, so until I get those paid off, I can’t go back to have any work done. Looks like I’ll continue suffering for quite some time until I can afford to go back to the dentist.

  82. Comment by carol jorquera on October 16, 2012 5:17 am

    I used the crest mouthwash once and just
    felt sick from it. If you have sores in your
    mouth. For the pain Oil of cloves is good just
    rub it on your gums. Also vitamin E oil is great
    healer just break open a capsule and rub on gums
    tea tree oil is also good. buy ORGANIC mouthwashes
    and toothpast. If you can’t pronounce the ingredients
    in a product you don’t want in on or in your body.
    There are a lot of ppl out there that have their own
    interests at heart and the bottom line is greed. so
    be careful what you put on or in your body. It’s yours
    no one elses and it’s the only one you will have. Take
    vitamin c also it is a great healer as well.

  83. Comment by Megan on December 31, 2012 5:25 am

    Crest Pro-death to your mouth! My tastebuds on the tip of my tongue are swollen and very painful. The toothpaste INCREASED tooth sensitivity when I had NONE!!! Tell everyone you know that this toothpaste is POISON.

  84. Comment by john howard on January 7, 2013 9:38 pm

    My dentist recommended Crest Pro Health mouthwash to me a year or so back, and it took me until recently to associate this toxic product with severe gum erosion. I should have looked on line earlier to see all these comments on this scumbag poisin. I’m really disappointed in my dentist and I hope he’s not benefitting from Crest motivations. Crest, I hope you read this and I hope your personnel responsible for this suffer the same consequences.

  85. Comment by Adriana on January 24, 2013 10:53 am

    I’ve tried crest prohealth clinical and the white junk is bacteria. Rinse few times with it and white junk will go away after few rinses. Try rinsing with water after you are done. That way the hydrogen peroxide will be removed from your mouth. Brown stuff is probably bacteria build up during the night. Like i said I’ve been using it and my mouth feels cleaner. Dentist even recommend rinsing with mixture of hydrogen peroxide and water. Hydrogen peroxide kills the bacteria.

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