Acne Therapy: Benzoyl peroxide has an antibacterial effect and may also decrease the chemical reaction that changes the lining of the hair follicle. This may help reduce the plugging that causes comedones. Benzoyl peroxide may be used for a mild case of comedones or to help prevent formation of others. Tretinoin (retin-a) tretinoin (retin-a, avita, renova) is the mainstay of treatment for whiteheads and blackh.
Answered 4/1/2015
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