title: Seasonal trichorrhexis nodosa. Role of cumulative damage in frayed hair.
mesh_terms: D000328:Adult; D006197:Hair / Q000473:pathology; D006801:Humans; D008297:Male; D008855:Microscopy, Electron, Scanning; D012621:Seasons; D012623:Seawater; D012871:Skin Diseases / Q000209:etiology; D012915:Soaps; D013472:Sunlight
chemical_list: D012915:Soaps