INSOLUBLE POWDER, SKIN BARRIER FUNCTION-RESTORATIVE POWDER, ROUGH SKIN-PROPHYLACTIC/AMELIORATIVE POWDER, AND SKIN CARE PREPARATION FOR EXTERNAL USE CONTAINING THE SAME

PROBLEM TO BE SOLVED: To obtain insoluble powder having excellent skin barrier function-restorative effect and rough skin prophylactic/ameliorative effect, and to provide a skin care preparation for external use formulated with the same. SOLUTION: The insoluble powder is negative in ζ-potential valu...

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Hauptverfasser: OGAWA KATSUMOTO, TAKADA SADASHIGE, DENDA MITSUHIRO, FUJIWARA SHIGEYOSHI, MIYAMOTO TAKESHI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To obtain insoluble powder having excellent skin barrier function-restorative effect and rough skin prophylactic/ameliorative effect, and to provide a skin care preparation for external use formulated with the same. SOLUTION: The insoluble powder is negative in ζ-potential value, 3-100μm in mean primary particle size and 3-250 in aspect ratio, and comprising preferably barium sulfate. The skin barrier function-restorative powder and the rough skin prophylactic/ameliorative powder consist of the insoluble powder, respectively. The skin care preparation for external use contains 1-30 mass% of the above powder. COPYRIGHT: (C)2004,JPO