title: Topical vitamin A acid in acne vulgaris.
abstract: Thirty patients with acne vulgaris were treated for 12 weeks with 0.025% vitamin A acid in a gel. The numbers of comedones, papules, and pustules were markedly reduced in 25 of the patients.
mesh_terms: D000152:Acne Vulgaris / Q000188:drug therapy*; D000287:Administration, Topical; D000293:Adolescent; D000328:Adult; D005260:Female; D005782:Gels; D006801:Humans; D008297:Male; D014212:Tretinoin / Q000008:administration & dosage* / Q000627:therapeutic use; D014801:Vitamin A / Q000031:analogs & derivatives*
chemical_list: D005782:Gels; D014801:Vitamin A; D014212:Tretinoin