A composition for improving wrinkles is provided to show excellent skin wrinkle improving effect and wound healing effect and maintain the effect excellently by promoting collagen synthesis with safety to skin. A cosmetic composition for preventing wrinkles comprises 0.0001-10 wt.% of a fermented extract of at least one medicinal stuff selected from the group consisting of Astragalus membranaceus, Houttuynia cordata, Ginkgo biloba, Coix lachryma-jobi var.ma-yuen, Schizophyllum commune, Phellodendron chinense, Eriobotrya japonica, Aloe ferox, Castanea crenata, Betula platyphylla, Rosa hybrida, Phaseolus vulgaris, Pleurotus ostreatus, Cammpsis grandiflora, Opuntia ficus, Areaca catechu, Artemisia capillaries, Mallotus japonicus, Polygonatum officinale, Incaria sinensis, Tribulus terrestirs, Hamamellis japonica, Ricinus communis, Draconis resina, Cucumis sativus, Juglans regia, Cucurbita moschata, Saxifraga stolonifera, Carthamus tinctorius, Polygonatum sibiricum, and Diospyroskaki, wherein the fermented extract is obtained by adding yeast, lactic acid bacteria or bifidobacterium to the medicinal stuff and then culturing it or by inoculating fungi to the medicinal stuff and then solid-fermenting it. The yeast is one or more selected from Saccharomyces cerevisiae, Schizosaccharomyces ellipsoids and Saccharomyces boulardii, the lactic acid bacteria is one or more selected from Lactobacillus acidophilus, Lactobacillus casei, Lactobacillus bulgaricus, Lactobacillus rhamnosus, Lactobacillus plantarum, Lactobacillus reuteri and Lactobacillus confusus, Lactobacillus fermentum and Lactobacillus brevis, and the bifidobacterium is one or more selected from Bifidobacterium breve, Bifidobacterium bifidum, Bifidobacterium longum and Bifidobacterium infantis.본 발명은 주름개선용 화장료 조성물에 관한 것으로, 특히 은행의 발효 추출물을 유효성분으로 포함하는 주름개선용 화장료 조성물에 관한 것이다. 본 발명에 따른 주름개선용 화장료 조성물은 피부에 안전하면서도 콜라겐 합성 촉진 효과가 우수하여 피부 주름개선 효과 및 상처 치유 효과와 그 효과의 지속성이 뛰어나다.
