title: Chronic dermatitis and hyperpigmentation from petrolatum.
mesh_terms: D000328:Adult; D002908:Chronic Disease; D003877:Dermatitis, Contact / Q000209:etiology*; D006801:Humans; D008297:Male; D010577:Petrolatum / Q000009:adverse effects*; D010859:Pigmentation Disorders / Q000139:chemically induced*
chemical_list: D010577:Petrolatum