Dual composition cosmetic product with a concentration sensitive and an incompatible active respectively placed within first and second compositions
US6585984B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 16, 2000 |
| Grant date | Jul 1, 2003 |
| Priority date | — |
| Expiry date | Nov 30, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/88
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A cosmetic product is provided packaged in a dispenser with separate first and second storage areas. The first of the areas contains a first cosmetic composition containing a first dermal active agent, preferably selected from keratolytic skin agents. Particularly preferred are alpha- and beta-hydroxy carboxylic acids as first dermal active placed in a composition having a pH from about 1 to about 5.5. The second area contains a second cosmetic composition with a second dermal agent incompatible with the first composition. Particularly preferred second dermal agents are retinoids, vitamins, enzymes and anti-oxidants. Most preferred is retinol. The dispenser allows transfer of the first and second compositions through an exit nozzle in a respective dispensing weight ratio of from about 30:1 to about 2:1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.