Our lactonic acid solution contains glycolic acid and glycerol. It can shrink fine pores, soften blackheads and whiteheads, gently exfoliate and repair damaged skin. Its application method is very simple: clean and dry facial skin, apply an appropriate amount of this product evenly on the face, apply along the skin texture, gently massage the skin until it is completely absorbed by the skin. Lactose acid solution solves pore blockage and deeply restores skin.