Outsmart Acne Clarifying Treatment - Medicated gel serum reduces acne in 1 week. Clinically proven to reduce pimples, blackheads and whiteheads in just 1 week Medicated lightweight gel serum is clinically proven to reduce overall acne in just 1 week. Salicylic acid combines with lysophosphatidic, hydroxydecanoic, sebacic and glycolic acids in Penta-Acid Technology to clear skin of acne-causing bacteria, oiliness and blackheads while minimizing dryness and irritation. Which skin type is it good for? Oily Sensitive