Direct dye composition comprising at least one insoluble oxygenated compound, and processes using this composition
US7651534B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 24, 2006 |
| Grant date | Jan 26, 2010 |
| Priority date | — |
| Expiry date | Nov 17, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K8/33
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Disclosed herein is a composition for the non-oxidizing aqueous direct dyeing of keratin materials, for example, human keratin fibers, such as the hair, comprising, in a cosmetically acceptable medium: (a) at least one water-soluble direct dye, and (b) at least one water-insoluble non-coloring oxygenated organic compound, present in an amount of at least 30% by weight relative to the total weight of the composition. Also disclosed herein is a process for direct dyeing keratin fibers comprising applying said composition to the fibers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.