| 摘要 |
PROBLEM TO BE SOLVED: To provide a fibroblast producing agent, cosmetics related to skin, and a toilet article containingα-pyrone derivatives which are highly safe and increase collagen by excellent fibroblast producing action as active ingredients. SOLUTION: The fibroblast producing agent, the cosmetics related to the skin, and the toilet article contain theα-pyrone derivatives as the active ingredients, respectively. COPYRIGHT: (C)2007,JPO&INPIT
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