3--15- 3--15--COMPOSITIONS FOR DYEING KERATINOUS FIBRES CONTAINING 3-AMINO PYRAZOLO-15-A-PYRIDINES DYEING METHOD NOVEL 3-AMINO PYRAZOLO-15-A-PYRIDINES

摘要

The present invention relates to a novel oxidation composition for dyeing keratin fibers containing at least one 3-amino-pyrazolo [1,5-a]-pyridine of formula (I), a dyeing method using said composition, a novel 3-aminopyrazole-[1,5-a]-pyridine, and a process for their preparation.