Topical therapy for acne.
D000152:Acne Vulgaris / Q000188:drug therapy*; D000287:Administration, Topical; D000818:Animals; D006801:Humans; D008027:Light / Q000009:adverse effects; D012459:Salicylates / Q000008:administration & dosage* / Q000627:therapeutic use; D014212:Tretinoin / Q000009:adverse effects / Q000627:therapeutic use
D012459:Salicylates; D014212:Tretinoin