皮膚水分保持改善剤及び化粧料

摘要

To provide a skin moisture-holding-ability improver that contains a proteoglycan, which has a high skin moisture holding ability to prevent dry skin and hold moisture on a skin surface, as an active ingredient, and cosmetics containing the skin moisture-holding-ability improver.SOLUTION: A skin moisture-holding-ability improver contains a proteoglycan with a molecular weight from several hundred thousand to several million, where the proteoglycan contains potassium of about 12 wt.% or more, and a calcium content is about 0.8 wt.% or less, with uronic acid of about 35 wt.%, and protein of about 5 wt.%, as an active ingredient.SELECTED DRAWING: Figure 1