This product is a medium concentration acid serum, mainly used to exfoliate, gently activate the skin and fight acne. It includes:AHA 10%It have efficacies of exfoliating, eliminating acne, treating pimples, brightening pigments. Concurrently, it stimulates the growth of elastin and collagen in the dermis, realigning the epidermis more orderly, creating shiny and smooth new epidermis.Capryloyl Salicylic Acid 0.5%This fat soluble acid has been used for hundreds of years. It can go deep into the pores to stimulate the metabolism of dead cells, prevent acne, and at the same time fight bacteria. It also suppresses cutibacterium acnes. Its structure is like that of aspirin, reducing the redness from acne.Tazman Pepper™ AFDerived from Tasamannia Obotava, Tazman Pepper™ AF acts as a soothing and skin-activating substance, efficiently reducing the activation of TRPV1 and attaining the results of soothing the skin of uneasiness, and strengthening capillary blood vessels.(BFFECT is not in direct cooperation with the trademark owners of the ingredients used in this product.)