For the treatment of acne Goes deep into pores where pimples begin. Has been prescribed by doctors for years. This acne medication contains 5 % benzoyl peroxide. The active ingredient goes to work fast and deep into the pores where pimples begin. Benzoyl peroxide has been prescribed by doctors and dermatologist for years. Now it’s available without a prescription. Cleanse the skin thoroughly before applying medication. Cover the entire affected area with a thin layer 1-3 times daily. If bothersome dryness or peeling occurs, reduce application to once a day.