Jonathan Wood,Alexandra Hullmann,Sandra Schmelz,Martin Uellner
申请号：
US13515468
公开号：
US20120266393A1
申请日:
2010.12.15
申请国别(地区):
US
年份:
2012
代理人:
摘要：
The present invention relates to a process for oxidative coloring keratin fibers especially human hair wherein dyeing compositions are thickened with a selected thickener. The objective of the present invention is a process for oxidative coloring hair wherein compositions A and B are mixed wherein composition A comprises at least one oxidative dye precursor and optionally at least one coupling agent and optionally at least one direct dye in a cosmetically acceptable medium and composition B comprises at least one oxidizing agent in a cosmetically acceptable medium, and applied onto hair and processed for 5 to 45 min at a temperature range of 20 to 45° C. and rinsed off from hair, wherein at least one of the two compositions A and B comprises a thickening polyurethane polymer.
