Maruzen Pharmaceuticals Co., Ltd.

Jun Nojima

Nobuaki Ohto

Yasuo Miyake

A substance having a testosterone 5&#x3b1;-reductase inhibiting action, a hair papilla cell growth promoting action, a fibroblast growth factor-7 production promoting action, a vascular endothelial growth factor production promoting action or a bone morphogenetic protein-2 production promoting action, and a hair care product having this substance blended therein. A hair growth tonic, a testosterone 5&#x3b1;-reductase inhibitor, a hair papilla cell growth promoter, a fibroblast growth factor-7 production promoter, a vascular endothelial growth factor production promoter and a bone morphogenetic protein-2 production promoter each having this substance, such as corosolic acid, as an active ingredient thereof.

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Shinichi-cho, Japan

Jun Nojima