title: Nail staining due to hydroquinone skin-lightening creams.
mesh_terms: D000368:Aged; D003875:Drug Eruptions / Q000209:etiology*; D005260:Female; D006801:Humans; D006873:Hydroquinones / Q000009:adverse effects*; D007911:Lentigo / Q000188:drug therapy; D008027:Light / Q000009:adverse effects; D008875:Middle Aged; D009260:Nail Diseases / Q000139:chemically induced*; D010787:Photosensitivity Disorders / Q000139:chemically induced; D012880:Skin Pigmentation / Q000187:drug effects
chemical_list: D006873:Hydroquinones