Compositions and methods for improving color deposit and durability of color in artificially colored hair
US10398635B1 · kind B1 · utility
2Cited by
1References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 29, 2018 |
| Grant date | Sep 3, 2019 |
| Priority date | — |
| Expiry date | Mar 29, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/882
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present disclosure relates to hair coloring agents and compositions, and methods for improving the quality and durability of color in artificially colored hair. The compositions employ divalent metal salts of inorganic acids, monovalent or divalent metal salts of organic acids, antioxidants, and colorants. Methods are described wherein hair is contacted with the compositions of the present disclosure, resulting in improved artificial color deposition, as well as improved quality and durability of the color in artificially colored hair.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.