The present invention relates to a hair loss preventing and hair growth promoting composition containing pinane as an active ingredient. According to an embodiment of the present invention, the hair loss preventing and hair growth promoting composition can effectively inhibit 5&alpha-reductases causing hair loss to prevent hair loss and promote hair growth. The hair loss preventing and hair growth promoting composition is configured to include 0.0001 to 10 wt% of pinane.COPYRIGHT KIPO 2017본 발명은 피난을 유효성분으로 함유하는 탈모방지 및 모발성장 촉진제 조성물을 제공한다.