COSRX AC Collection Calming Foam Cleanser: Cleanse daily with this salicylic acid based foam cleanser for revitalization and restoration of acne while treating blackheads and whiteheads. Clean and Treat Acne-Prone Skin Daily: Treats acne while removing dirt and controlling excess oil to prevent future breakouts. Key Ingredients: 5000ppm of Salicylic Acid reduces redness and inflammation, while Centella Asiatica speeds up the healing process. Gentle and Smooth Foam: The abundant amount of smooth foam hugs your skin like a bed of clouds, cleansing without the stripped feeling.