Hydrogen Peroxide Whitening Could Harm Teeth

A recent study on the effects of hydrogen peroxide on teeth has left a lot of people wondering how to safely keep their pearly whites whiter. Hydrogen peroxide is the active ingredient in most popular whitening agents, including those over-the-counter whitening strips. Unfortunately, according to the study, which was conducted at the University of Stockton in Stockton, New Jersey, that oh-so-effective active ingredient is actually potentially damaging to the collagen layer of the teeth in between the enamel and the dentin.

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