La Roche Posay Effaclar Dual Action Acne Wash for face thoroughly removes excess oil, while clearing acne blemishes and helping prevent new acne formation. This pore cleanser is formulated with 4% benzoyl peroxide and 0.1% micro-exfoliating LHA, this oily skin face wash also visibly evens skin texture and renews skin. Key Ingredients: 4% Benzoyl Peroxide, acne fighting ingredient that reduces a type of acne causing bacteria known as P.acnes. 0.1% Lipo-Hydroxy Acid (LHA), a derivative of salicylic acid and has exfoliating and skin surface renewing properties. La Roche Posay Thermal Spring Water, a soothing water sourced in the town of La Roche Posay in France and a core ingredient in most of our products. How to Use: 1. Apply facial cleanser to wet skin 2. Gently massage avoiding eye area 3. Rinse well Brand Story: Recommended by 100,000 dermatologists worldwide, La Roche-Posay offers unique daily skincare developed using a strict formulation charter and stringent clinical testing for efficacy and safety, even on sensitive skin.