title: JSCTR-CTR Commentary by Toshihiko Hayashi.
authors: Toshihiko
authors: T
authors: Hayashi
mesh_terms: D000818:Animals; D003094:Collagen / Q000737:chemistry / Q000378:metabolism*; D003358:Cosmetics / Q000737:chemistry; D006801:Humans
chemical_list: D003358:Cosmetics; D003094:Collagen