The present invention provides a cosmetic composition comprising an extract of Nannochloropsis oceanica as an active ingredient. The present invention aims to provide the cosmetic composition having excellent functionality and biosafety.본 발명은 나노클로롭시스 오세아니카(Nannochloropsisoceanica) 추출물을 유효성분으로 포함하는 화장료 조성물을 제공한다.