abstract |
PROBLEM TO BE SOLVED: To provide a composition for oxidation dyeing and a dyeing method having excellent resistance. SOLUTION: In a medium suitable for dyeing, at least one kind of pyrazolo [1,5-a] pyrimidine and a cationic direct dye are contained as an oxidation base to prepare an oxidation dyeing composition, which is applied to keratin fibers. The color is then developed using a non-enzymatic oxidant. |