Teeth whitening strips tend to expire, so they should be used regularly and the expiration date should be checked when purchasing them. It's not dangerous to use teeth whitening strips that have passed their expiration date, but it's not recommended by dental professionals. Yes, all whitening strips can expire and will expire. None of these teeth whitening products should be used after they expire because their active ingredient will not be able to work as efficiently as before.
If your Crest whitening strips expire, you can still use them. They won't work as well after the expiration date because your active ingredients will lose their ability to do their job. Teeth whitening strips expire (regardless of brand and manufacturer). Their lifespan is usually about one year.
However, it is possible to extend its shelf life for another year if stored in the refrigerator, although freezing is certainly not recommended. If your refrigerator setting is too cold for the strips to freeze, allow them to cool first, preferably to room temperature, before applying them. You don't need to worry too much about safety with using expired Whitestrips. They won't hurt your teeth.
However, professional-grade Whitestrips contain water and beauty products that contain water can eventually generate bacteria. The decrease in their bleaching effects is also often noticeable, although it is possible that some bleaching dye will be obtained from the strips. Some things to consider before whitening your teeth are the pain and sensitivity associated with the use of whitening products in general. We assume that you have used or want to use teeth whitening strips to ensure the maximum whitening effect of your teeth.
Although the expiration date of whitening strips depends primarily on the distinctive markings and how the strips are made, most whitening strips, regardless of brand, have a shelf life of one year. Yes, Crest whitening strips are ADA-approved for being safe and effective to use for teeth whitening when following the manufacturer's instructions. Although there is no apparent harm in using expired teeth whitening strips, dentists discourage overuse of bleaching strips, whether expired or not.
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