| US 7,429,276 B2 | ||
| Composition for coloring of keratin fibers | ||
| Jonathan Wood, Weinheim (Germany); Bernd Nöcker, Tokyo (Japan); and Iijima Makoto, Yachiyo (Japan) | ||
| Assigned to KPSS-Kao Professional Salon Services GmbH, Darmstadt (Germany) | ||
| Filed on Apr. 27, 2006, as Appl. No. 11/380,469. | ||
| Claims priority of application No. 05009680 (EP), filed on May 03, 2005. | ||
| Prior Publication US 2006/0248661 A1, Nov. 09, 2006 | ||
| Int. Cl. A61Q 5/10 (2006.01) | ||
| U.S. Cl. 8—405 [8/406; 8/410; 8/411; 8/415; 8/435; 8/455; 8/463; 8/552; 8/581; 132/202; 132/208] | 12 Claims |
| 1. A process for colouring hair comprising the steps of:
providing a first composition comprising at least one oxidation dye precursor and at least one acidic direct dye selected
from Acid Red 52, Acid Violet 2, Acid Orange 4, Acid Red 27 and Acid Yellow 10, with the condition that it does not comprise
cationic direct dye,
mixing the first composition with a second composition comprising a hydrogen peroxide to form a third composition, wherein
the third composition has a pH between 6.8 and 12, and
applying the third composition onto hair for a period between 15 and 45 minutes at ambient temperature and/or at a temperature
between 30 and 45° C.
|