Title:
COMPOSITE PARTICLE
Document Type and Number:
WIPO Patent Application WO/2017/104587
Kind Code:
A3
Abstract:
The present invention relates to a composite particle according to the present invention comprises (a) at least one core particle, wherein the (a) core particle is at least in part covered with at least one first coating layer comprising (b) at least one solid UV filter, and the first coating layer is at least in part covered with at least one second coating layer comprising (c) at least one hydrophobic block copolymer, as well as a cosmetic composition including the composite particle. The composite particle according to the present invention can maintain enhanced UV protection performance even in the presence of specific anionic surfactants, and the composition according to the present invention can maintain enhanced UV protection even due to washing with water.
Inventors:
MATSUFUJI SHINICHI (JP)
Application Number:
PCT/JP2016/086834
Publication Date:
October 12, 2017
Filing Date:
December 06, 2016
Export Citation:
Assignee:
OREAL (FR)
MATSUFUJI SHINICHI (JP)
MATSUFUJI SHINICHI (JP)
International Classes:
A61K8/29; A61K8/90; A61Q17/04
Domestic Patent References:
| WO2013107000A1 | 2013-07-25 | |||
| WO2014010101A1 | 2014-01-16 | |||
| WO2011151184A1 | 2011-12-08 | |||
| WO1999041298A1 | 1999-08-19 |
Attorney, Agent or Firm:
MURAYAMA, Yasuhiko et al. (JP)
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