Protective, nutritive and/or firming composition for the simultaneous treatment of the surface layers and deep layers of the skin, and use thereof
US5601833A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 30, 1994 |
| Grant date | Feb 11, 1997 |
| Priority date | — |
| Expiry date | Dec 30, 2014 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/59
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Compositions comprising a first dispersion of lipid vesicles which are capable of penetrating into the deep layers of the skin and which contain at least one active agent chosen from anti-oxygenated-free-radical agents, proteins, sugars, enzymes, vitamins, nucleotides and sequences thereof, trace elements, coenzymes, unsaturated fatty acid-rich phospholipids, silicon derivatives and plant extracts, for treating these deep layers, and a second dispersion of lipid vesicles which are capable of penetrating into the surface layers of the skin and which contain at least one active agent chosen from screening agents, anti-oxygenated-free-radical agents, sugars, amino acids, vitamins, ceramides, unsaponifiable products derived from plant oils, and components of sweat, for treating these surface layers, are effective protecting, nourishing and/or firming the skin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.