	US 12,414,908 B2
	Cosmetic
Norio Sano, Osaka (JP); Hiroto Sasaki, Ehime (JP); Aya Fujita, Tokyo (JP); and Daiki Yoshihara, Tokyo (JP)
Assigned to Sano Co., Ltd., Osaka (JP); and Daio Paper Corporation, Ehime (JP)
Appl. No. 17/289,437
Filed by Sano Co., Ltd., Osaka (JP); and Daio Paper Corporation, Ehime (JP)
PCT Filed Dec. 25, 2019, PCT No. PCT/JP2019/050767 § 371(c)(1), (2) Date Apr. 28, 2021, PCT Pub. No. WO2020/138144, PCT Pub. Date Jul. 2, 2020.
Claims priority of application No. 2018-245915 (JP), filed on Dec. 27, 2018.
Prior Publication US 2021/0393502 A1, Dec. 23, 2021
Int. Cl. A61K 8/73 (2006.01); A61K 8/02 (2006.01); A61P 1/00 (2006.01); A61Q 1/00 (2006.01)

CPC A61K 8/731 (2013.01) [A61K 8/027 (2013.01); A61Q 1/00 (2013.01)]

18 Claims

1. A cosmetic comprising:

fibers consisting of cellulose nanofibers having an average fiber diameter of 10 to 1000 nm,

a surfactant,

a thickening stabilizer, and

an oil component,

wherein the cellulose nanofibers have not been subjected to oxidation treatment, and a B-type viscosity of a dispersion of the cellulose nanofibers at 1.5% concentration is 1000 to 5000 cps, and

wherein the cosmetic comprises 0.01 to 3 mass % of the cellulose nanofibers, and 1 to 50 mass % of the oil component.