Overview: Benzoyl peroxide is used to prevent and treat acne. Some forms of benzoyl peroxide are also used to treat rosacea. Benzoyl peroxide works by killing bacteria, or germs, that cause acne, and ...

Many oral and topical treatments are available to improve acne. Doctors prescribe gels, creams, and ointments that contain salicylic acid, benzoyl peroxide, and others. The benefits of each can differ ...