a double-blind , multi-centre general practice study was carried out to compare the effectiveness of benzoyl peroxide/potassium hydroxyquinoline sulphate cream , with or without hydrocortisone , its aqueous astringent cream base alone , and a benzoyl peroxide alcoholic gel in the treatment of 107 patients with acne vulgaris .
C0005088
benzoyl peroxide
C0001144
acne