LAMININ 5 PRODUCTION PROMOTER, INTEGRIN α6β4 PRODUCTION PROMOTER, SKIN BASEMENT MEMBRANE-NORMALIZING AGENT, SKIN DAMAGE-RESTORING PROMOTER, AND AQUAPORIN 3mRNA EXPRESSION PROMOTER

摘要

PROBLEM TO BE SOLVED: To provide a laminin 5 production promoter, an integrin α6β4 production promoter, a skin basement membrane-normalizing agent, a skin damage-restoring promoter or an aquaporin 3mRNA expression promoter which contains, as an active ingredient, a substance which has laminin 5 production-promoting action, integrin α6β4 production-promoting action or aquaporin 3mRNA expression-promoting action, the substance being found from a natural product which is high in safety.;SOLUTION: The laminin 5 production promoter, the integrin α6β4 production promoter, the skin basement membrane-normalizing agent, the skin damage-restoring promoter or the aquaporin 3mRNA expression promoter includes, as an active ingredient, an extract from Alpinia zerumbet.;COPYRIGHT: (C)2013,JPO&INPIT