Composition for coloring of keratin fibers
US7429276B2 · kind B2 · utility
3Cited by
3References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 27, 2006 |
| Grant date | Sep 30, 2008 |
| Priority date | — |
| Expiry date | Sep 19, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/4324
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention concerns a composition for the dyeing keratin fibers especially human hair on the basis of an oxidation dyestuff precursor system reacting with peroxide and comprising additionally anionic direct dyes which provides long-lasting, intensive, vibrant colors. Hair dyeing composition of the present invention comprises at least one oxidation dyestuff precursor reacting with peroxide, optionally at least one coupling agent and at least one acidic direct dye. The compositions of the present invention do not comprise any cationic dyes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.