Method and composition to condition hair and impart semi-permanent hair set retention properties
US4970067A · kind A · utility
103Cited by
3References
38Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 12, 1988 |
| Grant date | Nov 13, 1990 |
| Priority date | — |
| Expiry date | Dec 12, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q5/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A method of conditioning the hair and imparting semi-permanent hair set retention properties comprising treating the hair with a composition comprising a protein having a sufficient amount of an amino acid having a disulfide linkage, such as a keratin-based protein that includes the amino acid cystine. The method and composition are essentially pH independent and provide unexpectedly durable, semi-permanent hair set retention properties, and hair conditioning properties, after application to human hair.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.