Benzoyl Peroxide for Acne: Benefits, Uses, Side Effects & Best Products

Acne treatments come and go, but few ingredients have stood the test of time like benzoyl peroxide. Whether you're battling breakouts on your face, chest, or back, this powerhouse ingredient is usually a first draft pick. "Benzoyl peroxide is one of those old-school ingredients that still works so well. I have been prescribing it for over a decade now, and it continues to be one of the most reliable acne fighters we have. But like every medicine, it is not one-size-fits-all," says Dr. Niketa Sonavane, dermatologist and founder of Ambrosia Aesthetics, Mumbai.

This guide breaks down benzoyl peroxide for acne—what it is, how it works, who it's best for, benzoyl peroxide benefits, common benzoyl peroxide uses, and practical, step-by-step advice on how to use benzoyl peroxide safely.