Compositions and methods for lightening the color of relaxed or straightened hair
US8556992B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 30, 2011 |
| Grant date | Oct 15, 2013 |
| Priority date | — |
| Expiry date | Mar 30, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K8/732
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Disclosed are methods and compositions of lightening the color of hair that has been recently contacted with a relaxing or straightening composition, the method comprising combining a bleach composition comprising at least one oxidizing agent selected from the group consisting of persulfates, perborates, percarbonates, their salts and mixtures thereof, and at least one rheology-modifying agent, with a developer composition comprising hydrogen peroxide and a cosmetically acceptable carrier in order to form a lightening composition, wherein the pH of the lightening composition is from about 2 to about 7; applying the lightening composition onto the hair; leaving the lightening composition on the hair for a time period sufficient to achieve an increase of 1 to 4 in the tone height of the hair; and rinsing the hair with water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.