A composition for preventing hair loss and promoting hair growth of the present invention comprises: 100 parts by weight of an aqueous colloid solution containing nonionic copper nanoparticles having an average particle diameter (D50) of about 2 nm to about 10 nm； about 1 part by weight to about 10 parts by weight of glycerin； and about 1 part by weight to about 10 parts by weight of a co-solvent, wherein the nonionic copper nanoparticles are present at a concentration of about 2,000 ppm to about 3,000 ppm. The present invention has the advantages of not only preventing hair loss but also promoting hair growth.L'invention concerne une composition pour prévenir la perte de cheveux et pour favoriser la pousse de cheveux comprenant : 100 parties en poids d'une solution colloïdale aqueuse contenant des nanoparticules non ioniques de cuivre possédant un diamètre moyen de particule (D50) d'environ 2 nm à environ 10 nm ； environ 1 partie en poids à environ 10 parties en poids de glycérol ； et environ 1 partie en poids à environ 10 parties en poids d'un cosolvant, les nanoparticules non ioniques de cuivre étant présentes en une concentration d'environ 2000 ppm à environ 3000 ppm. La présente invention présente les avantages de prévenir non seulement la perte de cheveux mais également de favoriser la pousse des cheveux.본 발명의 탈모 방지 및 발모 촉진용 조성물은 평균입경(D50)이 약 2nm 내지 약 10nm인 비이온성 구리나노입자를 포함하는 콜로이드 수용액 100 중량부, 글리세린 약 1 내지 약 10 중량부 및 보조 용매 약 1 내지 약 10 중량부를 포함하고, 상기 비이온성 구리나노입자는 약 2,000 내지 약 3,000 ppm의 농도로 포함되어, 탈모가 예방될 뿐만 아니라, 발모가 촉진되는 효과가 있다.
