No, this product is formulated to be safe and effective when used as directed. They contain the same whitening ingredient as the professional products dentists use to whiten teeth.
Yes. Crest 3D White Whitestrips contains hydrogen peroxide, the same enamel-safe ingredient dentists use for tooth whitening. Extensive testing has shown the product to be safe when used as directed.
No. Whitestrips will not cause your teeth to stain faster.
There is no evidence that hydrogen peroxide causes cancer in humans. The FDA and Health Canada and scientific experts at the World Health Organization have reviewed the data on hydrogen peroxide and neither has ever concluded that hydrogen peroxide is carcinogenic. Hydrogen peroxide is a safe and trusted ingredient that has been used for years in first aid products, mouthwashes and facial cleansers.
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