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 ...

When this is part of your treatment plan, you may apply one or more of the following: A corticosteroid (cream, ointment, or other form that you apply to your skin): Many treatment plans include this ...