	US 12,233,141 B2
	Bleaching and coloring composition for keratin fibers comprising direct dyes
Anja Aechtner, Darmstadt (DE); Jonathan Wood, Darmstadt (DE); and Marine Delbe, Darmstadt (DE)
Assigned to KAO CORPORATION, Tokyo (JP)
Appl. No. 18/044,222
Filed by KAO CORPORATION, Tokyo (JP)
PCT Filed Sep. 20, 2021, PCT No. PCT/EP2021/075793 § 371(c)(1), (2) Date Mar. 7, 2023, PCT Pub. No. WO2022/069282, PCT Pub. Date Apr. 7, 2022.
Claims priority of application No. 20199261 (EP), filed on Sep. 30, 2020.
Prior Publication US 2023/0372212 A1, Nov. 23, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. A61Q 5/10 (2006.01); A61K 8/22 (2006.01); A61Q 5/08 (2006.01)

CPC A61K 8/22 (2013.01) [A61Q 5/08 (2013.01); A61K 2800/31 (2013.01); A61K 2800/432 (2013.01); A61K 2800/48 (2013.01)]

21 Claims

1. A bleaching and coloring composition for keratin fibers, comprising:

one or more alkalizing agents;

one or more bleaching compounds;

HC Blue 18 and/or a salt thereof; and

tetrabromophenol blue and/or a salt thereof.