<；P>；PROBLEM TO BE SOLVED: To provide a claudin production promoter having an excellent claudin production-promoting activity and an occludin production promoter having an excellent occludin production-promoting activity, and a skin barrier function-improving agent capable of efficiently performing the prevention and improvement of skin symptoms such as dry skin, skin roughness, atopic dermatitis, various infectious diseases, etc., by the normalization of epidermis barrir function. <；P>；SOLUTION: This claudin production promoter contains at least one kind selected from the extracts of Aspalathus linearis, Ginkgo biloba, Urtica thubergiana, Curcuma longa, Rosa multiflora, Scutellaria baicalensis, Artemisia princeps, Matricaria chamomilla, Perilla frutescens, Calendula officinalis, Prunus persica, Machilus odoratissima, Melissa officinalis, Lavandula vera, Ganoderma lucidum and royal jelly. <；P>；COPYRIGHT: (C)2010,JPO&INPIT
