The present invention relates to a composition for scalp. More specifically, in the present invention, provided is an external application on scalp, which includes extracts of white Pleuropterus multiflorus TURCZ. and red ginseng as main ingredients facilitates blood circulation in the scalp by removing 5&alpha-DHT prevents hair loss and grows hair. An existing hair restorer manufactured from a modified prostate medicine or modified vasodilators is used and has side effects and limitation in treatment effects. The composition of the present invention has natural ingredients accordingly is not harmful to the human body and facilitates blood circulation in the scalp, thereby preventing hair loss and growing hair.COPYRIGHT KIPO 2015본 발명은 홈삼과 백하수오 추출물을 주원료로 하여 5α-DHT를 제거하고 두피의 혈액순환을 촉진하여 탈모를 예방하고 발모를 촉진하는 두피용 외용제에 관한 것이다.