Therapeutic acne control. 10% Benzyl peroxide. Face. Chest. Back. Benzoyl peroxide effectively penetrates pores killing the bacteria that cause acne. Clears existing acne blemishes and prevents new blemishes from forming. Dermatologist recommended ingredients. Now you can take control of your acne with Maximum Strength PanOxyl Acne Foaming Wash, the highest strength of Benzoyl Peroxide (BPO) available without a prescription. The Benzoyl Peroxide in PanOxyl Acne Foaming Wash is the same medicine prescribed by dermatologists. The rich, elegant lather of PanOxyl Acne Foaming Wash gently removes dirt and excess oil to cleanse and unclog pores, making it an excellent choice for the management of acne on the face, chest and back.