Disclosed is a cosmetic composition, and more specifically, a cosmetic composition for enhancing skin moisturization comprising natural plant extracts and PHA. In particular, the PHA is defined as poly hydroxy acid and is contained in 1-50%. According to the present invention, PHA is the abbreviation for poly hydroxy acids and includes gluconic acid, gluconolactone, and the like, and by adding natural plant extracts to such PHAs, moisturization effects can be maximized through a synergistic effect.COPYRIGHT KIPO 2018개시되는 화장료 조성물은, 천연 식물 추출물과 PHA를 함유한 피부 보습 증진용 화장료 조성물이며, 상기 PHA는, PolyHydroxyAcid로 정의되며, 그 함량은 1-50%를 함유함을 특징으로 한다.
