Panoxyl Maximum Strength Acne Foaming Wash: Panoxyl maximum strength acne foaming wash contains 10% benzoyl peroxide. Maximum strength foaming wash. Effectively penetrates pores killing the bacteria that cause acne. Clears existing acne blemishes and prevents new blemishes from forming. The highest strength of benzoyl peroxide is available without a prescription. Gently remove dirt and excess oil to cleanse and unclog pores. Makes it an excellent choice for the management of acne on the face, chest, and back.