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What is the difference between 16% and 22% whitener?

April 26, 2017difference whitener

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What is the difference between 16% and 22% whitener?

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The 16% solution must work on the teeth for 1-4 hours per day to achieve the same result as that given by the 22% solution in 30-60 minutes. The 16% solution is suitable for those who only have slight staining or who have extremely sensitive teeth or gums.