title: Aging skin: Understanding the inevitable.
mesh_terms: D000368:Aged; D000375:Aging; D000505:Alopecia; D006801:Humans; D008543:Melanins; D012627:Sebaceous Glands; D012869:Skin Absorption; D012871:Skin Diseases / Q000209:etiology; D012879:Skin Physiological Phenomena; D013545:Sweat Glands; D014466:Ultraviolet Rays
chemical_list: D008543:Melanins