PROBLEM TO BE SOLVED: To provide a springiness and stiffness improving agent containing as an active ingredient, a material having KAP5.1 mRNA expression promotion function which is found from natural products having high safety, and to provide a KAP5.1 mRNA expression promotor.SOLUTION: A springiness and stiffness improving agent or a KAP5.1 mRNA expression promotor contains an extract from a leaf part of licorice as an active ingredient.COPYRIGHT: (C)2013,JPO&INPIT【課題】安全性の高い天然物の中からKAP5.1mRNA発現促進作用を有するものを見出し、それを有効成分とする毛髪はり・こし改善剤及びKAP5.1mRNA発現促進剤を提供する。【解決手段】本発明の毛髪はり・こし改善剤又はKAP5.1mRNA発現促進剤の有効成分として、甘草の葉部からの抽出物を含有させる。【選択図】なし
