Skin whitening compositions containing black cohosh extract
US7060304B2 · kind B2 · utility
6Cited by
6References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 16, 2003 |
| Grant date | Jun 13, 2006 |
| Priority date | — |
| Expiry date | Apr 16, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K36/29
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A skin whitening composition includes an extract of black cohosh obtained by sequentially exposing the black cohosh to two or more solvents of varying solvent strengths. The root of the black cohosh can be separately used to obtain the extract. The composition can be topically applied to the human skin and can further include one or more cosmetically acceptable ingredients. A method of suppressing melanogenesis includes topically applying to the skin a composition comprising an extract of black cohosh obtained by sequentially exposing the black cohosh to two or more solvents of varying solvent strengths.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.