	US 11,786,445 B2
	Composition for natural skin brightening effect
Jun Suzuki, Kawasaki (JP); and Romain Tachon, Tokyo (JP)
Assigned to L'OREAL, Paris (FR)
Appl. No. 16/342,226
Filed by L'OREAL, Paris (FR)
PCT Filed Oct. 10, 2017, PCT No. PCT/JP2017/038093 § 371(c)(1), (2) Date Apr. 16, 2019, PCT Pub. No. WO2018/079455, PCT Pub. Date May 3, 2018.
Claims priority of application No. 2016-212703 (JP), filed on Oct. 31, 2016.
Prior Publication US 2019/0240125 A1, Aug. 8, 2019
Int. Cl. A61K 8/19 (2006.01); A61K 8/02 (2006.01); A61K 8/25 (2006.01); A61K 8/26 (2006.01); A61K 8/29 (2006.01); A61Q 1/02 (2006.01)

CPC A61K 8/19 (2013.01) [A61K 8/0254 (2013.01); A61K 8/0279 (2013.01); A61K 8/25 (2013.01); A61K 8/26 (2013.01); A61K 8/29 (2013.01); A61Q 1/02 (2013.01); A61K 2800/412 (2013.01); A61K 2800/436 (2013.01)]

18 Claims

1. A composition for a keratin substance, comprising:

at least one filler having a particle size of 3 μm or less and having an aspect ratio of at least five, wherein the aspect ratio is computed as an average particle length divided by an average particle thickness;

at least one pearlescent pigment comprising mica, a titanium oxide, and a tin oxide, and having a particle size of 15 μm or less; and

at least one hollow or porous particle,

wherein:

the at least one filler comprises boron nitride and has a refractive index of 1.6 to 1.8, and

the at least one pearlescent pigment has a colored reflection.