	US 12,343,418 B2
	Hair cosmetic
Daisuke Hiruma, Kita-ku (JP); and Mitsuki Takebayashi, Koshigaya (JP)
Assigned to KAO CORPORATION, Tokyo (JP)
Appl. No. 17/625,474
Filed by KAO CORPORATION, Tokyo (JP)
PCT Filed Jul. 1, 2020, PCT No. PCT/JP2020/025810 § 371(c)(1), (2) Date Jan. 7, 2022, PCT Pub. No. WO2021/006143, PCT Pub. Date Jan. 14, 2021.
Claims priority of application No. 2019-126744 (JP), filed on Jul. 8, 2019.
Prior Publication US 2022/0280404 A1, Sep. 8, 2022
Int. Cl. A61K 8/46 (2006.01); A61K 8/22 (2006.01); A61K 8/41 (2006.01); A61Q 5/08 (2006.01); A61Q 5/10 (2006.01)

CPC A61K 8/466 (2013.01) [A61K 8/22 (2013.01); A61K 8/411 (2013.01); A61Q 5/08 (2013.01); A61Q 5/10 (2013.01)]

17 Claims

1. A hair cosmetic comprising the following components (A) and (B), wherein a mass ratio of the component (B) to the component (A), (B)/(A), is 0.60 or more and 1.90 or less:

(A) an aromatic sulfonic acid or a salt thereof having a molecular weight of 300 or less; and

(B) a cationic polymer having a cationic charge density of 3.5 meq/g or more and 4.0 meq/g or less.