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AssigneeBioland
InventorsKi Ho Kim, Ki Soo Kim, Young Heui Kim, Jin Guk Kim, Kyoung Tae Kim, Chang Sung Han, Kang II Ko
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Disclosed is an anti-aging composition for external use on skin, which includes low-molecular weight hyaluronic acids, high-molecular weight hyaluronic acids and polysaccharides extracted from root bark of Ulmus davidiana, as active ingredients. The composition including the low-molecular weight hyaluronic acids, high-molecular weight hyaluronic acids and polysaccharides extracted from root bark of Ulmus davidiana, in a predetermined ratio, shows significantly improved skin-moisturizing, skin elasticity-enhancing and inflammation-alleviating effects, as compared to a composition using one of the above ingredients alone. Therefore, the composition may be widely used as a pharmaceutical or cosmetic anti-aging composition.
A composition for external use on skin, which comprises 15 to 70 wt. % of low-molecular weight hyaluronic acids, 15 to 60 wt % of high-molecular weight hyaluronic acids, and 15 to 60 wt % of polysaccharides extracted from root bark of Ulmus davidiana, as active ingredients, wherein the weight is based on the total weight of the composition, wherein the high-molecular weight hyaluronic acids have an average molecular weight of 500,000 Da to 3,000,000 Da, and the low-molecular weight hyaluronic acids have an average molecular weight of 500 Da to 50,00 Da, and wherein skin treated with the composition demonstrates an increased skin elasticity-enhancing effect as compared to skin treated with a composition including only one of low-molecular weight hyaluronic acids, high-molecular weight hyaluronic acids, or polysaccharides extracted from root bark of Ulmus davidiana.
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