Compositions for altering the color of hair
US10993896B2 · kind B2 · utility
1Cited by
164References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 12, 2019 |
| Grant date | May 4, 2021 |
| Priority date | — |
| Expiry date | Feb 12, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/88
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The disclosure relates to systems and compositions comprising the systems for use in chemical treatment of keratinous substrates, such as the hair. The systems and compositions comprising the systems comprise at least one active agent and at least one acid. Methods of treating keratinous substrates with the systems and compositions comprising the systems are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.