The present invention relates to a composition for preventing hair loss and promoting hair growth, the composition comprising, as an effective ingredient, a flower extract of Pharbitis nil (L.) Choisy. The composition according to the present invention has an excellent effect on hair loss prevention and hair growth promotion without causing any side effects even when used for a long time.La présente invention concerne une composition pour empêcher la perte des cheveux et pour favoriser la croissance des cheveux, ladite composition comportant comme principe actif un extrait de fleur de Pharbitis nil (L.) Choisy. La composition selon la présente invention permet de manière excellente d'empêcher la perte des cheveux et de favoriser la croissance des cheveux sans provoquer d'effet secondaire, même lors d'une utilisation à long terme.본 발명은 나팔꽃(Pharbitis nil (L.) Choisy)의 꽃추출물을 유효성분으로 함유하는 탈모 방지 및 발모 촉진용 조성물에 관한 것으로서, 본 발명에 따른 조성물은 장기간 사용에도 부작용이 없으면서도 탈모 방지 및 발모 촉진에 우수한 효과가 있다