Difference Between Carbamide Peroxide & Hydrogen Peroxide Teeth Whitening Gel
Many professional-grade teeth whitening products are either hydrogen peroxide or carbamide peroxide, which is the bleaching (or stain removing) agent. Hydrogen peroxide breaks down faster than carbamide peroxide, and thus releases much of its bleaching power within a half hour to an hour. Conversely, carbamide peroxide releases about 50 percent of its whitening power at the outset and can remain active for six extra hours.
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