POWDER DISPERSION COMPOSITION, AND COSMETIC

Title:

POWDER DISPERSION COMPOSITION, AND COSMETIC

Document Type and Number:

WIPO Patent Application WO/2024/048324

Kind Code:

A1

Abstract:

This powder dispersion composition contains: (a) a hydrophobized metal oxide powder; (b) a polyether-modified silicone and/or a polyethylene glycol ether having HLB of 5-17 inclusive; (c) a hydroxycarboxylic acid salt having a carbon atom number of 2-10 inclusive; and (d) a polymer containing a constituting unit derived from (meth)acrylic acid and/or a constituting unit derived from an alkyl (meth)acrylate, or a salt thereof. The ratio of the content of component (d) to the content of component (a) is 1.2×10-4 to 2.3×10-3 inclusive, and the ratio of the content of component (c) to the content of component (a) is 1.2×10-3 to 2.3×10-2 inclusive.

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Inventors:

FUKUHARA RYUSHI (JP)
UJIMOTO KEI (JP)

Application Number:

PCT/JP2023/029826

Publication Date:

March 07, 2024

Filing Date:

August 18, 2023

Export Citation:

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Assignee:

SHISEIDO CO LTD (JP)

International Classes:

A61Q17/04; A61K8/04; A61K8/19; A61K8/365; A61K8/81; A61K8/893

Domestic Patent References:

WO2013018827A1

2013-02-07

Foreign References:

JP2019038781A	2019-03-14
JP2003063919A	2003-03-05
JP2013193999A	2013-09-30

Attorney, Agent or Firm:

ITOH, Tadashige et al. (JP)

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