PURPOSE: An external use skin composition containing Hibiscus cannabinus extract is provided to promote collagen biosynthesis and to ensure anti-aging. CONSTITUTION: An external use skin composition contains Hibiscus cannabinus extract as an active ingredient. A method for preparing the Hibiscus cannabinus extract comprises: a step of drying and pulverizing leaves, branches, or stem peels of Hibiscus cannabinus; a step of extracting by enfleurage or maceration using an extraction solvent; and a step of compressing/concentrating the extract. A cosmetic composition for anti-aging or anti-wrinkling contains Hibiscus cannabinus extract as an active ingredient.본 발명은 양마(Hibiscuscannabinus) 추출물을 함유하는 피부 외용제 조성물에 관한 것으로, 더욱 상세하게는 양마 추출물, 특히 양마 잎 추출물, 양마 가지 추출물 또는 양마 줄기의 껍질 추출물을 함유함으로써, 피부세포 및 콜라겐 생합성 촉진 효과가 우수한 노화방지용 피부 외용제 조성물에 관한 것이다.