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 BENZOYL PEROXIDE BRAND NAME:- PERSOL ,PERNOX ,BENZAC-AC 2.5% and 5% gel ; in persol forte 10% cream with sulfur ppt. 5%. Benzoyl peroxide is an affordable medication that works well to clear up acne. It's available over-the-counter and comes in many different forms, but it's not a good option for people with sensitive skin.  PHARMACODYNAMIC:-  Benzoyl peroxide is a topical treatment for acne that generates free radicals to break down comedones and increase the rate of epithelial cell turnover.It has a short duration of action as its active free radical metabolites quickly react to form inactive metabolites.1 The therapeutic index is wide, as overdoses are rare, however patients may still experience skin peeling. Patients should be counselled regarding increased risks of skin irritation, dryness, and sunburn.  MECHANISM OF ACTION:- Acne vulgaris is caused by inflammation in the pilosebaceous gland.Acne is generally caused by increased excretion of sebum from piloseba...