US 11,752,082 B2
Cosmetic composition for the oxidative dyeing of keratin fibres
Ping Huang, Shanghai (CN); Wei Wei, Shanghai (CN); and Philippe Rapold, Shanghai (CN)
Assigned to L'OREAL, Paris (FR)
Appl. No. 17/623,074
Filed by L'OREAL, Paris (FR)
PCT Filed Jun. 28, 2019, PCT No. PCT/CN2019/093593
§ 371(c)(1), (2) Date Dec. 27, 2021,
PCT Pub. No. WO2020/258220, PCT Pub. Date Dec. 30, 2020.
Prior Publication US 2022/0313577 A1, Oct. 6, 2022
Int. Cl. A61Q 5/10 (2006.01); A61K 8/49 (2006.01); A61K 8/22 (2006.01); A61K 8/34 (2006.01); A61K 8/41 (2006.01); A61K 8/46 (2006.01); A61K 8/23 (2006.01); A61K 8/44 (2006.01); A61K 8/67 (2006.01); A61K 8/81 (2006.01); A61K 8/04 (2006.01)
CPC A61K 8/494 (2013.01) [A61K 8/046 (2013.01); A61K 8/22 (2013.01); A61K 8/23 (2013.01); A61K 8/347 (2013.01); A61K 8/411 (2013.01); A61K 8/415 (2013.01); A61K 8/447 (2013.01); A61K 8/46 (2013.01); A61K 8/4926 (2013.01); A61K 8/4953 (2013.01); A61K 8/676 (2013.01); A61K 8/8147 (2013.01); A61K 8/8158 (2013.01); A61Q 5/10 (2013.01); A61K 2800/4324 (2013.01); A61K 2800/48 (2013.01); A61K 2800/522 (2013.01); A61K 2800/5424 (2013.01); A61K 2800/882 (2013.01)] 20 Claims
 
1. A dye composition, comprising:
(a) an oxidative dye;
(b) a thickener comprising an anionic polymer; and
(c) an antioxidant comprising a thiol-dertved reducer.