公开(公告)号：US20220226212A1

公开(公告)日：2022-07-21

申请号：US17417645

申请日：2019-12-27

申请人： KAO CORPORATION

发明人： Takashi FUKUI ,  Tomonari OKADA ,  Noriko TEJIMA ,  Keigo KAJIWARA

IPC分类号： A61K8/27 ,  A61K8/29 ,  A61K8/34 ,  A61K8/36 ,  A61K8/891 ,  A61K8/92 ,  A61Q17/04 ,  A61K8/04

摘要： [1] An external skin preparation for IR protection, an external skin preparation for heat insulation, an external skin preparation for photoaging prevention, an external preparation for skin temperature increase prevention, an external skin preparation for fatigue prevention and an external skin preparation for active oxygen production prevention, containing a tabular metal oxide (A) having a thickness of 30 to 360 nm, and [2] an external skin preparation containing a tabular metal oxide (A) having a thickness of 30 nm or more and 360 nm or less and an aspect ratio of 50 or more and 300 or less, and a nonvolatile oil (B) in a ratio by mass [(A)/(B)] of 0.05 to 5.

公开(公告)号：US20220031582A1

公开(公告)日：2022-02-03

申请号：US17279972

申请日：2019-09-30

申请人： KAO CORPORATION

发明人： Keigo KAJIWARA ,  Shinichi TSUKII ,  Shingo HIRONO ,  Takuji ENOMOTO

IPC分类号： A61K8/06 ,  A61K8/891 ,  A61K8/04 ,  A61Q17/04

摘要： An oil-in-water type sunscreen cosmetic containing the following component (A) and the following component (B): (A) 1% by mass or more and 40% by mass or less of emulsion particles containing an oil soluble ultraviolet ray absorbent (a1), having an average particle diameter of more than 6 μm and 300 μm or less, and (B) 0.3% by mass or more and 2.5% by mass or less of particles containing an oil soluble ultraviolet ray absorbent (b3) encompassed by an ionic surfactant (b1) and a hydrophobic amphiphilic substance (b2), having a content of a solid oil agent of 2.5% by mass or less based on the total amount of the particles, having an average particle diameter of 6 μm or less.