PROBLEM TO BE SOLVED: To provide a highly safe excellent production promoter of type-I collagen, efficiently producible, and to provide an external composition for skin and a cosmetic, containing the production promoter.SOLUTION: The collagen production promoter includes an enzyme-decomposed product of a swallows nest as an active ingredient. The external composition for skin and the cosmetic contain the collagen production promoter.COPYRIGHT: (C)2011,JPO&INPIT【課題】効率的に生産でき、かつ安全性の高い、優れたI型コラーゲンの産生促進剤、およびそれを含む外用剤および化粧料を提供することにある。【解決手段】本発明によるコラーゲン産生促進剤は、燕窩の酵素分解物を有効成分とする。【選択図】なし
