Invention Grant
- Patent Title: Process for dyeing keratin materials using at least one blue, purple or green dye and at least one disulfide, thiol or protected thiol fluorescent dye
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Application No.: US16622258Application Date: 2018-06-18
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Publication No.: US11278482B2Publication Date: 2022-03-22
- Inventor: Hervé David , Christian Blaise
- Applicant: L'OREAL
- Applicant Address: FR Paris
- Assignee: L'OREAL
- Current Assignee: L'OREAL
- Current Assignee Address: FR Paris
- Agency: The Marbury Law Group, PLLC
- Priority: FR1755482 20170616
- International Application: PCT/EP2018/066115 WO 20180618
- International Announcement: WO2018/009296 WO 20181220
- Main IPC: A61Q5/10
- IPC: A61Q5/10 ; A61K8/49
Abstract:
The present invention relates to a process for dyeing keratin fibers, in particular human keratin fibers such as the hair, using a) one or more blue, violet or green dyes and b) one or more disulfide, thiol or protected-thiol fluorescent dyes.
The present invention also relates to a cosmetic composition comprising the dyes defined above, and also to a multi-compartment device containing said dyes.
The present invention also relates to the use of said dyes for dyeing light keratin fibers, notably human keratin fibers such as the hair, in chestnut-brown, dark chestnut-brown, brown, brown with a tint, or even black, without using an additional dye other than those defined above.
The present invention also relates to a cosmetic composition comprising the dyes defined above, and also to a multi-compartment device containing said dyes.
The present invention also relates to the use of said dyes for dyeing light keratin fibers, notably human keratin fibers such as the hair, in chestnut-brown, dark chestnut-brown, brown, brown with a tint, or even black, without using an additional dye other than those defined above.
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