Mandelic Acid Daily Update Essence, Acne-Removing And Acne-Closing Repair Brightening Fruit Acid EssenceOur daily mandelic acid Update serum contains mandelic acid, salicylic acid and pyruvate. It can boost skin metabolism and solve five major pore problems thick corneum, large pores, blackheads, acne and pimples. Its use method is very simple: after cleansing, before toning, apply appropriate amount evenly on the face and neck. Use every day, day and night. And can remove blackheads, narrow pores gently, moisturize sensitive skin.