Composition for permanent waving of human hair
US5720944A · kind A · utility
3Cited by
8References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 21, 1996 |
| Grant date | Feb 24, 1998 |
| Priority date | — |
| Expiry date | Mar 21, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C7/18
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The object of the invention is a composition for permanent waving of human hair comprising, as sole or main reducing agent one or several polyglycol monothioglycollates or lactates of the general formula ##STR1## wherein R denotes a hydrogen atom or a methyl group, X represents an ethoxy or propoxy group, and n is a number from 2 to 5. These compositions have a low characteristic smell, good waving properties, and an extremely low skin sensitizing potential.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.