Hair dye
US8579992B2 · kind B2 · utility
1Cited by
0References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 25, 2013 |
| Grant date | Nov 12, 2013 |
| Priority date | — |
| Expiry date | Apr 25, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/882
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
It is an object of the present invention to provide a safe hair dye, which has a good dyeing property and is easy-to-use, and which has less uneven dyeing and has high stability of the formulation. The present invention provides a hair dye which comprises a combination of (1) a first gel agent containing tannic acid, benzyl alcohol and xanthane gum, and (2) a second agent containing an iron salt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.