Definition of benzoyl peroxide in US English:

benzoyl peroxide


  • An antibacterial ingredient used in acne medications.

    • ‘Topical preparations of the antibiotics erythromycin or clindamycin are safe choices even during pregnancy, as is benzoyl peroxide, an antibacterial agent that also dries the skin.’
    • ‘Treatment is similar to that of mild acne, consisting of topical benzoyl peroxide.’
    • ‘Topical antibiotics commonly are used in conjunction with retinoids or benzoyl peroxide in patients with any degree of inflammatory acne.’
    • ‘Patients with mild inflammatory acne should be started on a twice-daily regimen of an antibacterial agent such as benzoyl peroxide, azelaic acid or a topical antibiotic.’
    • ‘Dry the feet, then rub on a small amount of any generic brand of acne treatment cream containing 10 percent benzoyl peroxide.’