INSOLUBLE POWDER, POWDER FOR RESTORING BARRIER FUNCTION OF SKIN, POWDER FOR PREVENTING/MITIGATING SKIN CHAPPING, AND PREPARATION CONTAINING THE SAME FOR EXTERNAL USE ON SKIN

摘要

and The first theme is water-insoluble powder potential, characterized in that the value of the notes of the present invention, the it is preferred that the main component in the water-insoluble barium sulfate powder, average primary particle size is in the insoluble powder of 3 ~ 100 mu m, an aspect ratio of 3 to 250, more preferably a metal ion, barium ion and sulfuric acid ion in the water-insoluble powder Preferably, the metal is obtained by reacting the co-doping of barium sulfate powder, wherein the water-insoluble powder metal ion is lithium ion in a sodium ion, preferably a zinc ion, at least one or two selected from the group consisting of, the invention the second subject of the skin barrier function recovery powder, characterized in that formed in the powder, and rough skin preventing, improving powder, and the third subject of the skin, characterized in that the content of the powder of 1 to 40% by mass of the present invention The external application.