title: Topical retinoic acid in acne vulgaris.
mesh_terms: D000152:Acne Vulgaris / Q000188:drug therapy*; D000293:Adolescent; D000328:Adult; D002338:Carotenoids / Q000008:administration & dosage* / Q000009:adverse effects; D002986:Clinical Trials as Topic; D004890:Erythema / Q000139:chemically induced; D000431:Ethanol; D006018:Glycols; D006801:Humans; D010787:Photosensitivity Disorders / Q000139:chemically induced; D010919:Placebos
chemical_list: D006018:Glycols; D010919:Placebos; D002338:Carotenoids; D000431:Ethanol