EPIDERMAL KERATINIZATION-NORMALIZING AGENT, EXTERNAL PREPARATION FOR SKIN CONTAINING THE EPIDERMAL KERATINIZATION-NORMALIZING AGENT, EXTERNAL PREPARATION FOR NORMALIZING EPIDERMIS, COSMETIC, COSMETIC FOR NORMALIZING EPIDERMIS, UNREGULATED DRUG AND UNREGULATED DRUG FOR NORMALIZING EPIDERMIS

摘要

PROBLEM TO BE SOLVED: To provide an epidermal keratinization-normalizing agent capable of normalizing the keratinization of the epidermis.SOLUTION: The epidermal keratinization-normalizing agent contains a hydrolyzed polyglutamic acid or a salt thereof, formed by subjecting the polyglutamic acid to hydrolysis treatment as an active ingredient. The external preparation for the skin or the like contains the epidermal keratinization-normalizing agent.