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How Teeth Whitening Works

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Professional whitening products contain either Hydrogen Peroxide or Carbamide Peroxide as the Active whitening Ingredient.
Hydrogen Peroxide is a fast-acting ingredient that release most of its whitening power within 90 minutes, reaching maximum whitening strength at 30 minutes.

In contrast, Carbamide Peroxide releases its whitening power within five hours and reaches its maximum strength in two hours.

Effective results in whitening are driven by length of wear time and concentration of active ingredients in the formula. But the higher the concentration of the active ingredient, the higher the likelihood of sensitivity. That’s why highly sensitive patients should start with a low-HP whitening option, which will have a shorter wear time, or a low-CP concentration.