A 7-day ampoule treatment for even, youthfully radiant skin. An 8% AHA blend of naturally derived fruit acids with extracts of kumquat, lemon and grapefruit, is gentle yet effective on the skin. Willow bark extract containing salicylic acid helps to reduce skin impurities and can help prevent reoccurrence, while allantoin soothes and moisturizes the skin. Leaves skin smooth, glowing, and youthfully radiant immediately after application.