SURFACE-TREATED SPHERICAL CALCIUM CARBONATE PARTICLES FOR COSMETICS AND METHOD FOR PRODUCING SAME

The invention provides surface-treated spherical calcium carbonate particles for use in cosmetics which comprise spherical calcium carbonate particles having a volume mean diameter in a range of 0.5 to 20 μm, and having on their surfaces a hydrous silica coating, and further a silicone oil coating o...

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Bibliographische Detailangaben
Hauptverfasser:	IZUMIKAWA HIROYUKI, NISHIMURA TAKESHI, SAKAMOTO SEIJI
Format:	Patent
Sprache:	eng
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 invention provides surface-treated spherical calcium carbonate particles for use in cosmetics which comprise spherical calcium carbonate particles having a volume mean diameter in a range of 0.5 to 20 μm, and having on their surfaces a hydrous silica coating, and further a silicone oil coating on the hydrous silica coating. The surface-treated spherical calcium carbonate particles for use in cosmetics are obtained by forming a hydrous silica coating on the surfaces of spherical calcium carbonate particles, and then by forming a silicone oil coating on the surfaces of the hydrous silica coating of the particles.