Agent for altering the color of keratin fibers comprising a rheology modifying polymer and high levels of a fatty substance in a cream system
US8920521B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 1, 2013 |
| Grant date | Dec 30, 2014 |
| Priority date | — |
| Expiry date | Oct 1, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K8/8152
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention is drawn to an agent and process for altering the color of keratin fibers wherein the agent comprises: (A) a color base composition containing from about 50% to about 80% by weight of a fatty substance comprising a viscosity greater than about 50 mm2/s at 40° C.; and optionally, an additional fatty substance; a rheology modifying polymer; an alkalizing agent; a short alkyl chain hydroxy compound chosen from monoalcohols and polyols; an oxidative dye precursor; and an oxidizing composition comprising an oxidizing agent; and wherein the pH of the agent for altering the color of keratin fibers ranges from about 1 to about 7.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.