With an object of discovering a substance having a testosterone 5±-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 of providing a hair care product having this substance blended therein, and a hair growth tonic, a testosterone 5±-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 as an active ingredient thereof, a hair care product of the present invention is made to contain corosolic acid therein, and each of a hair growth tonic, a testosterone 5±-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 of the present invention is made to contain corosolic acid as an active ingredient thereof.테스토스테론 5α-리덕타제 저해 작용, 모유두 세포 증식 촉진 작용, 선유아세포 증식 인자-7 산생 촉진 작용, 혈관내피 증식 인자 산생 촉진 작용 또는 골형성 인자-2 산생 촉진 작용을 가지는 물질을 찾아내, 해당 물질을 배합한 두발 화장료, 및 해당 물질을 유효 성분으로 하는 육모제, 테스토스테론 5α-리덕타제 저해제, 모유두 세포 증식 촉진제, 선유아세포 증식 인자- 7 산생촉진제, 혈관내피 증식 인자 산생촉진제 및 골형성 인자-2 산생촉진제를 제공하는 것을 목적으로 해, 본 발명의 두발 화장료에, 콜로소린산을 배합해, 본 발명의 육모제, 테스토스테론 5α-리덕타제 저해제, 모유두 세포 증식 촉진제, 선유아세포 증식 인자- 7 산생촉진제, 혈관내피 증식 인자 산생촉진제 또는 골형성 인자-2 산생 촉진제로, 콜로소린산을 유효 성분으로서 함유하게 한다.
