title: Vitamin A acid in acne vulgaris: association between peeling effect and improvement.
mesh_terms: D000152:Acne Vulgaris / Q000188:drug therapy*; D000287:Administration, Topical; D000293:Adolescent; D002338:Carotenoids / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D008297:Male; D009824:Ointments
chemical_list: D009824:Ointments; D002338:Carotenoids