Skin care composition
US6521237B2 · kind B2 · utility
7Cited by
9References
38Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 3, 1999 |
| Grant date | Feb 18, 2003 |
| Priority date | — |
| Expiry date | Jun 3, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S977/926
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
There are provided compositions which include a retinoid and preferably retinol; an acid; and an acid neutralizing effective amount of ammonium hydroxide. There are also provided compositions which include a retinoid and a neutralized ammonium salt of an acid. Further provided are methods for reducing fine lines and wrinkles and for increasing the clarity of a skin surface, cellular turnover, skin radiance, skin smoothness, skin permeation or collagen synthesis in a mammal in need thereof. Compositions as described above are administered topically to the skin of the animal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.