| 摘要 |
PURPOSE:To obtain a cosmetic having high moisture-retaining property and excellent applicability such as spreadability on the skin, moistness, smoothness (softness) to the skin, etc., and useful as cream, milky lotion, face lotion, pack, etc., by using hyaluronic acids having a specific molecular weight as a component. CONSTITUTION:Hyaluronic acid or its salt having a molecular weight of >=2,000,000 is used as a component of the objective cosmetic. Hyaluronic acid can be separated from a cultured product produced by culturing a microbial strain belonging to Streptococcus zooepidemicus [e.g. Streptococcus zooepidemicus YIT203 (FERM P-8746)] under aerobic condition preferably at 25-38 deg.C. The amount of the hyaluronic acids in the cosmetic is preferably 0.05-2.0wt%. the cosmetic may be properly incorporated with various lubricant, surfactant, preservative, viscosity modifier, drug-active component, perfumery, alcohol, water, etc., and used in the form of face lotion, hair rinse, hair treatment, shampoo, etc. |
