Cosmetic composition and methods of use
US6521668B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 14, 1999 |
| Grant date | Feb 18, 2003 |
| Priority date | — |
| Expiry date | Dec 14, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/522
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
There are disclosed cosmetic compositions and methods for protection of keratinous tissue against environmental aggressors, such as smoke, smog and UV radiation. The compositions have as an essential antioxidant: (i) hesperetin, (ii) tetrahydrocurcumin, (iii) tetrahydrodemethoxycurcumin, or (iv) tetrahydrobisdemethoxycurcumin, or mixtures of thereof. The compositions are preferably in the form of oil in water emulsions and may optionally contain one or more emulsifiers, preservatives, thickeners, sunscreens, additional antioxidants, emollients, skin protectants, hair protectants, nail protectants and the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.