PURPOSE: A cosmetic composition containing Broussonetia kazinoki Sieb extract is provided to recover damaged skin barrier and to enhance skin moisturizing.CONSTITUTION: A cosmetic composition for skin moisturizing contains 0.001-50 wt% of Broussonetia kazinoki Sieb extract as an active ingredient. The composition is used for strengthening skin barrier function. A method for preparing the extract comprises: a step of drying and slicing Broussonetia kazinoki Sieb and a step of isolating Broussonetia kazinoki Sieb by solvent extraction using solar solvent, non-polar solvent, or mixture thereof or by percolation or maceration to prepare leached material.COPYRIGHT KIPO 2012본 발명은 보습용 화장료 조성물에 관한 것으로, 보다 상세하게는 닥나무 추출물을 유효성분으로 함유하여 손상된 피부 장벽기능을 회복시키고 피부 보습력을 증가시키는 효과가 우수한 화장료 조성물에 관한 것이다.
