Collagen extract and chlorophyll extract are added as an active ingredient, it is possible to increase hair absorption by increasing light absorption to light of a specific wavelength band without damaging the scalp tissue during light emitting diode (LED) light irradiation A light-reactive hair growth promoting composition for hair growth promoting excellent light absorbency.The light-reactive hair growth promoting composition for promoting hair growth according to the present invention comprises 10 to 25 wt% of black sesame powder, 5 to 15 wt% of kelp powder, 1 to 10 wt% of seaweed powder, 1 to 10 wt% of seaweed powder, 1 to 5% by weight of powder, 5 to 20% by weight of scalp penetrating agent, 0.1 to 3.0% by weight of collagen extract, 0.1 to 3.0% by weight of chlorophyll extract and 10 to 50% by weight of solvent.콜라겐 추출물 및 엽록소 추출물이 유효 성분으로 복합 첨가되는데 기인하여, LED(light emitting diode) 광 조사시 두피 조직에 손상을 야기하지 않으면서, 특정 파장대의 빛에 대한 광흡수량을 증대시켜 발모 촉진을 도모할 수 있는 광흡수성이 우수한 발모 촉진용 광반응성 발모제 조성물에 대하여 개시한다.본 발명에 따른 광흡수성이 우수한 발모 촉진용 광반응성 발모제 조성물은 검정깨분말 10 ~ 25 중량%, 다시마분말 5 ~ 15 중량%, 미역분말 1 ~ 10 중량%, 하수오분말 1 ~ 10 중량%, 호두분말 1 ~ 5 중량%, 두피 침투제 : 5 ~ 20 중량%, 콜라겐 추출물 0.1 ~ 3.0 중량%, 엽록소 추출물 0.1 ~ 3.0 중량% 및 용매 : 10 ~ 50 중량%를 포함한다.
