Liquid crystalline peroxide compositions and methods for coloring and/or bleaching hair
US6238653A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 22, 1999 |
| Grant date | May 29, 2001 |
| Priority date | — |
| Expiry date | Dec 22, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q5/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An aqueous peroxide composition for coloring or lightening hair comprising (a) 1-99% of an aqueous phase containing (ii) 1-55% by weight of the total composition of water, (ii) 1-45% hydrogen peroxide, and (iii) a water soluble cosolvent; and (b) 0.1-60% of an oil phase; and (c) 1-65% of an organic, amphiphilic, surface active ingredient capable of interacting with the water phase and the oil phase to form lyotropic liquid crystals containing said water phase ingredients; a method for coloring or lightening hair using the peroxide composition, and a method for reducing the amount of time necessary to permanently color hair using the peroxide composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.