| 摘要 |
A cosmetic formulation containing an alkylated chitosan derivative, a polybasic carboxylic acid or an oxidized polysaccharide, and water, for moisturizing and/or softening skin is provided. The formulation is in the physical state of a viscous liquid or a gel, and when applied to skin, serves to moisturize and soften the skin. One embodiment of the formulation comprises PEG-chitosan and hyaluronic acid at a pH of about 3.5 to about 5.5. The formulation may be applied to skin as a bulk composition, on a towel or wipe, or in the form of a facial foam mask.
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