The following products contain hydrogen peroxide as a bleaching substance (measured concentration up to 11.9% by weight). Crest Whitestrips - 1 Hour Express, Classic Vivid, Gentle Routine, Glamorous White, Professional Effects , Supreme Flexfit, Supreme Professional. Hydrogen peroxide at high concentrations causes skin irritation and is harmful if swallowed.
The product does not comply with the Cosmetic Products Regulation. | 
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