公开(公告)号：US20200345592A1

公开(公告)日：2020-11-05

申请号：US16642597

申请日：2018-08-29

Applicant: SHISEIDO COMPANY, LTD.

Inventor： Kanako NOGUCHI ,  HIRUMA Yukiko ,  KAWANO Sayoko ,  FUJITA Junko

IPC: A61K8/03 ,  A61K8/02 ,  A61K8/34 ,  A61K8/25 ,  A61K8/29 ,  A61K8/894 ,  A61K8/36 ,  A61K8/81 ,  A61K8/26

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.