Skin treatment with alpha-hydroxycarboxylic acids of mixed chain length
US5814662A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 1, 1996 |
| Grant date | Sep 29, 1998 |
| Priority date | — |
| Expiry date | Nov 1, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/75
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A cosmetic composition is provided which includes a C.sub.2 -C.sub.4 alpha-hydroxycarboxylic acid and a C.sub.16 -C.sub.20 alpha-hydroxycarboxylic acid delivered in a pharmaceutically acceptable carrier. Most preferred as the longer chain acids is a mixture fractionated from lanolin. The cosmetic composition can be employed in a method for treating dermatological disorders, chronoaging and environmental abuse. Preferably the composition is intended to inhibit or reduce the formation of wrinkles and sagging of skin while improving glow and firmness.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.