The present invention provide it is a kind of comprising ferment and enzymatic treatment Semen phaseoli radiati extract as active constituent, with what protection skin cosmetic composition, and provide use the cosmetic composition cosmetic method； The extract is prepared by following processes: mung bean being fermented with saccharomyces cerevisiae or lactobacillus, then is handled with protease it. The Semen phaseoli radiati extract of fermentation-enzymatic treatment of the present invention includes higher isoflavones； with improving Skin Cell activity, mitigating skin irritation, accelerate skin cell protein (such as collagen) synthesis, to generate the effect for improving because of skin problem caused by aging and protecting skin.本發明提供一種包含發酵和酶處理的綠豆提取物作爲活性成分的、用於保護皮膚的化妝品組合物，並且提供採用所述化妝品組合物的化妝方法；所述提取物通過下述工序製備：用釀酒酵母或乳杆菌將綠豆發酵，再用蛋白酶對其進行處理。本發明所述發酵-酶處理的綠豆提取物包含較高的異黃酮，具有提高皮膚細胞活性、减輕皮膚刺激性、加速皮膚細胞蛋白(例如膠原)合成，從而産生改善因老化引起的皮膚問題以及保護皮膚的效果。
