Methods for altering the color and appearance of hair
US9474700B2 · kind B2 · utility
1Cited by
45References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 8, 2013 |
| Grant date | Oct 25, 2016 |
| Priority date | — |
| Expiry date | Nov 8, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/43
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Disclosed are methods and compositions for altering the color of hair, comprising treating the hair with a pre-alkalizing composition, treating the hair with a color-altering composition comprising at least one oxidative dye or oxidative dye precursor compound, and wherein the color-altering composition has a pH ranging from about 1-7, then treating the hair with a developer composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.