Scientifically formulated to simultaneously address the four main factors responsible for causing acne to leave the skin clear and bright. Clears and reduces the severity of acne blemishes. Penetrates pores to help prevent development of new blemishes and blackheads. Contains Salicylic Acid 2% as active ingredient. Note: PCA Skin pHaze 35 Acne Gel now comes in a 1 fl. oz. bottle. The 0.5 fl. oz. size listed in our recent catalog has been discontinued and is no longer available. The price has been adjusted accordingly