US 12,109,281 B2
Oil-in-water emulsified cosmetic
Miyako Kitamura, Tokyo (JP); Mai Ozawa, Tokyo (JP); and Takayoshi Sakoda, Tokyo (JP)
Assigned to LVMH RECHERCHE, Saint Jean de Braye (FR)
Appl. No. 16/641,528
Filed by LVMH RECHERCHE, Saint Jean de Braye (FR)
PCT Filed Dec. 18, 2018, PCT No. PCT/EP2018/085696
§ 371(c)(1), (2) Date Feb. 24, 2020,
PCT Pub. No. WO2019/121817, PCT Pub. Date Jun. 27, 2019.
Prior Publication US 2020/0206097 A1, Jul. 2, 2020
Int. Cl. A61K 8/06 (2006.01); A61K 8/90 (2006.01); A61K 8/92 (2006.01); A61Q 19/00 (2006.01)
CPC A61K 8/062 (2013.01) [A61K 8/90 (2013.01); A61K 8/92 (2013.01); A61Q 19/007 (2013.01)] 4 Claims
 
1. An oil-in-water emulsified cosmetic comprising:
(A) an aqueous medium,
(B) an alkali-soluble polymer having a carboxy group and an amphiphilic side chain comprising a hydrophobic block and a hydrophilic block and being bonded to the main chain at the hydrophilic block end,
(C) PEG-20 glyceryl triisostearate as a nonionic surfactant having an HLB of 6.0-12.0,
(D) a liquid oil having a viscosity of less than 10,000 mPa·s at 25° C., as measured with a Brookfield rotating viscometer, and
(E) a paste oil having a viscosity of 10,000 mPa·s or greater at 25° C., as measured with a Brookfield rotating viscometer or a paste oil having a consistency of greater than 150 at 30° C. based on JIS-K-2220,
wherein the mass ratio of the paste oil (E) with respect to the liquid oil (D) is in a range from 0.2 to 0.5,
with the proviso that the oil-in-water emulsified cosmetic comprises no silicone-based oil component.