公开(公告)号：US10945942B2

公开(公告)日：2021-03-16

申请号：US15501989

申请日：2015-06-30

Applicant: SHISEIDO COMPANY, LTD.

Inventor： Yuki Sugiyama ,  Hirohito Shirakami ,  Kazuyuki Miyazawa

IPC: A61K8/04 ,  A61K8/81 ,  A61K8/86 ,  A61Q19/00 ,  A61K8/34 ,  A61Q5/06 ,  A61K8/06 ,  A61K8/31 ,  A61K8/36 ,  A61K8/58 ,  A61Q1/00 ,  A61Q17/04 ,  A61Q19/02 ,  A61Q19/10

Abstract: A starting (raw) material, for cosmetics, comprising a core corona type microgel dispersion obtained by radical polymerization of a specific polyethylene oxide macromonomer, a specific hydrophobic monomer, and a specific cross-linking monomer under specific conditions. The purpose of the present invention is to provide the raw material for cosmetics, with which the cosmetic having a high stability provides a good feeling in use and does not cause skin irritation, can be easily produced.

公开(公告)号：US11166888B2

公开(公告)日：2021-11-09

申请号：US16641527

申请日：2018-08-24

Applicant: SHISEIDO COMPANY, LTD.

Inventor： Ryosuke Doi ,  Hirohito Shirakami ,  Takahiro Yamashita

IPC: A61K8/64 ,  A61K8/06 ,  A61K8/04 ,  A61K8/31 ,  A61K8/37 ,  A61K8/894 ,  A61K8/895 ,  A61Q5/00

Abstract: The purpose of the present invention is to provide a water-in-oil emulsion cosmetic that, while having an excellent hair-styling effect, exhibits a strong ability to moisturize the coated tissue, provides a smooth finger manipulation sense unlike that of a cream or wax, and does not produce stickiness on the hands and hair. The water-in-oil emulsion cosmetic according to the present invention is characterized by containing (A) a crosslinked siloxane elastomer, (B) a solid oil component, (C) a liquid oil component, and (D) at least 55 mass % water, wherein the ratio of component (B) to component (C) ((B)/(C)) is 0.25 to 1.5.