Multilayer type powder-containing cosmetic preparation
AssigneeShiseido Company, Ltd.
InventorsKanako NOGUCHI, HIRUMA Yukiko, KAWANO Sayoko, FUJITA Junko
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Abstract
The present invention provides a multilayer type powder-containing cosmetic preparation which can be variously formulated and in which the powder ingredient has excellent re-dispersibility without being required to have undergone a surface treatment. The a multilayer powder-containing cosmetic preparation includes (a) to (c) components: (a) a 60-95% by mass lower alcohol; (b) a powder ingredient (excluding a (c) component); and (c) a finely particulate powder which has an average primary-particle diameter of 10-550 nm and includes silica or titanium dioxide as a core.
Claims7
A multilayer powder-containing cosmetic, comprising:
- (a) 60 to 95% by mass of a lower alcohol;
- (b) a powder component;
- and
- (c) a fine particle powder having an average primary particle diameter of 10 to 550 nm;
- wherein said fine particle powder (c) further comprising:
- at least a powder selected from a group consisting of silica and titanium dioxide that forms a core of the fine particle powder;
- and
- wherein, said powder component (b) is different from said fine particle powder component (c).
Dependencies are inferred from the claim text.