COLORING AGENT CONTAINING PYRAZOLO (1.5- A) PYRIMIDE INDEXIVATIVES AS AN OXIDIZING AGENT AND PYRIDINE DERIVATIVES AS A COUPLER AND COLORING PROCESS

摘要

A subject-matter of the invention is a composition for the oxidation dyeing of keratinous fibers comprising at least one pyrazolo[1,5-a]pyrimidine as oxidation base and at least one pyridine coupler, and the oxidation dyeing process employing thus composition.