PURPOSE: A cosmetic composition containing Polygonum multiflorum extract and Hibiscus manihot extract is provided to ensure antioxidation and to improve skin moisturizing. CONSTITUTION: A cosmetic composition for enhancing skin moisturizing contains Polygonum multiflorum extract, jujube extract, and Hibiscus manihot extract as an active ingredient. A cosmetic composition for promoting sirt-1 protein contains Polygonum multiflorum extract, jujube extract, and Hibiscus manihot extract as an active ingredient. The extracts are contained in each 0.01-20.0 weight%. The cosmetic composition is manufactured in the form of lotion, essence, lotion, cream, pack, gel, ointment, patch, or spray.본 발명은 하수오 추출물, 대추 추출물, 황촉규 추출물을 함유하는 항노화 화장료 조성물에 관한 것으로서, 보다 상세하게는 하수오 추출물, 대추추출물 및 황촉규 추출물을 함유한 화장료 조성물이 SIRT-1 합성을 촉진시키고 뛰어난 항산화 효과를 가지며 피부 수분량을 상승시키고 표피의 수분증발을 억제시켜 피부 보습을 향상시키는 것이다.
