Use of L 2-thiohistidine or one of its derivatives as a depigmenting agent in cosmetics
US7935359B2 · kind B2 · utility
0Cited by
2References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 28, 2007 |
| Grant date | May 3, 2011 |
| Priority date | — |
| Expiry date | Nov 3, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K8/4913
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to the use of L-2-thiohistidine, or a cosmetically acceptable salt or ester of its acid group, as a depigmenting agent in a cosmetic composition or for the preparation of a cosmetic composition. It further relates to a method of cosmetic care for toning down or eliminating pigment spots on the skin and/or lightening the complexion by the application of this cosmetic composition. The invention provides a highly depigmenting composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.