title: Scalp comedones after topical minoxidil.
mesh_terms: D000152:Acne Vulgaris / Q000139:chemically induced*; D000505:Alopecia / Q000188:drug therapy; D006801:Humans; D008297:Male; D008914:Minoxidil / Q000009:adverse effects*; D012536:Scalp Dermatoses / Q000139:chemically induced*
chemical_list: D008914:Minoxidil