Compositions, methods and kits for reductively removing color from dyed hair
US6171347A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 1, 1998 |
| Grant date | Jan 9, 2001 |
| Priority date | — |
| Expiry date | Jul 1, 2018 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06P5/137
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A multicomponent kit for coloring and later removing color from fibers is described, which consists of a first component and a second component. The first component includes a composition for oxidative dyeing of hair and the second component includes an aqueous or aqueous-alcoholic composition for reductive removal of color from dyed hair. The composition for reductive removal of color from hair has a pH of from 1.8 to 6 and is in the form of a gel, cream, emulsion, foam or solution. It contains from 1 to 50% by weight of one or more reductones, advantageously ascorbic and/or isoascorbic acid or salts thereof, and, in addition to the reductones, from 0.1 to 10% by weight of one or more thiols or a combination of from 0.1 to 10% by weight of one or more thiols and from 0.001 to 5% by weight of one or more sulfites. It also includes one or more pH adjusting agents and standard cosmetic additive ingredients.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.