Mandelic Acid penetrates the stratum corneum which can improve acne inflammation, inflammatory pustules, pimples, pigmentation. It can effectively remove of wasted horny and improve the melanin problems, against anti-black, dilute spots, reduce fine lines and skin whitening. And improve pore obstruction and smoothness and elasticity of skin. For horny heavy, strong oil secretion of acne skin, remove the aged skin, balance oil secretion, smooth pores. Focus on improving the aging skin, wrinkles, increase skin luster.