Clear Pore Oil Eliminating Astringent is specifically formulated to effectively treat acne and help prevent future pimples and blackheads. This maximum strength formula contains salicylic acid, an acne-fighting ingredient recommended by dermatologists. It penetrates deep into pores to help remove dirt, oil, and makeup that can clog pores and cause breakouts. It also instantly eliminates and controls excess surface oil. Gentle enough to use morning, afternoon, and night, it won't over-dry or irritate the skin.