- Clear liquid skin cosmetic compositions
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Disclosed is a clear liquid skin cosmetic composition (e.g., a lotion) in which one or more oily substances (such as oil-soluble perfumes, hormones and the like) are solubilized in water with the aid of a solubilizing agent comprising an 18α-glycyrrhizin (18α-glycyrrhizic acid sodium salt, potassium salt or ammonium salt) that is a novel compound derived from a conventional glycyrrhizin (i.e., any form of 18β-glycyrrhizin extracted from licorice root) or a glycyrrhizin composition consisting of an 18α-glycyrrhizin and an 18β-glycyrrhizin. This skin cosmetic composition is not irritative to the skin as contrasted with skin cosmetic compositions prepared by using a synthetic surface-active agent as the solubilizing agent, and is not subject to gelation in a slightly acidic to acidic pH range as contrasted with skin cosmetic compositions prepared by using an 18β-glycyrrhizin alone as the solubilizing agent. Moreover, this skin cosmetic composition exerts a mild action on the skin without causing irritation thereto, gives an agreeable feeling, and has excellent fluidity, usability and storage stability.
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