With 1.5% salicylic acid, this special treatment fluid for oily and problem skin penetrates deeply to target acne and excessive oil. Effaclar K provides exfoliation that is gentle enough for everyday use, with its innovative formula that progressively refines texture. Formulated with naturally soothing La Roche-Posay Thermal Spring Water, the feather-light hydration makes for a revealing of healthy, glowing skin.