There's nothing more important to us than healthy and bright teeth, so we're sorry that you didn't get the whitening results you were hoping for, Daniel. Typically, these toothpaste can remove surface stains only. Some stains may be below the surface, and our Whitestrips and Whitening Emulsions are your best bet for removing those peskier stains. We'd like to hear from you about this, and we'd like to share more about these products with you. We can be reached at:,(800) 492-7378

We're very sorry this was your experience with our Crest Whitestrips. Please know that your safety is very important to us, and we've tested the strips to be safe when used as directed. As with any teeth whitening product containing peroxide, sensitivity or soreness may temporarily develop when using Crest Whitestrips. This isn't harmful. The irritation can be reduced or eliminated by following a few tips. Don't brush too hard and or more than twice a day. Avoid medium to hard bristled toothbrushes after whitening your teeth. Try using Crest Whitestrips only once per day, rather than two times per day or stop using for 2-3 days then resume once per day Usually if you follow this advice, it should stop this problem from happening. Give us a call at (800) 395-8423, if we can help further, or answer any questions.

Your health and bright smile are what matters most to us, and we appreciate you trusting Crest Whitestrips! While sensitivity can be the result of using whitening treatments, we want to ensure you're getting the safest and most effective results. If it becomes an issue, irritation can be reduced/eliminated by doing the following: * Don't brush too hard or more than twice a day. * Avoid medium to hard bristled toothbrushes after whitening your teeth. * Try a different toothpaste, ingredients in some kinds of toothpaste can cause gum discomfort. * We recommend using a soft-bristled brush and mild toothpaste such as Crest Cavity protection while whitening your teeth with Crest Whitestrips. * If significant gum irritation develops, try using Crest Whitestrips only once per day, rather than two times per day, or stop using for 2-3 days, then resume once a day. Usually, if you follow this advice, it should stop this problem from happening. If you still experience significant irritation, we recommend you stop using Crest Whitestrips, or, it may help to try our Crest 3D Whitestrips Sensitive Kit, which you can find on our website! Thanks for choosing Crest and leaving your feedback. If you have any questions, give us a call at 1-800-492-7378, M-F 8a-5p CT.