POWDER DISPERSION COMPOSITION AND DISPERSING METHOD THEREOF

The object of the present invention is to provide a powder dispersion composition capable of giving high SPF values while maintaining feeling on use required for oil-in-water cosmetics, such as freshness and being easy to spread and reducing burden on the skin.A powder dispersion composition prepare...

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Bibliographische Detailangaben
Hauptverfasser:	NASU Akio, SATONE Hiroshi, KATORI Takahiro
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS
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Beschreibung
Zusammenfassung:	The object of the present invention is to provide a powder dispersion composition capable of giving high SPF values while maintaining feeling on use required for oil-in-water cosmetics, such as freshness and being easy to spread and reducing burden on the skin.A powder dispersion composition prepared by dispersing powder, wherein the powder has an average particle size of 10 times or less the primary particle size of the powder, the polydispersity index (PDI value) of the average particle size of the powder dispersion composition is 0.4 or less and the absorbance per 1% of the powder is 150 or more.