| abstract |
PROBLEM TO BE SOLVED: To provide an oxidative hair dye composition which prevents hair damage and has excellent levelness. SOLUTION: The composition contains an oxidation dye, an alkali agent and an oxidizing agent, and has an alkalinity defined by the consumption of a 0.1N acid standard solution having a pH of 7.5 to 8.9 and a concentration of 0.3 to 0.8 ml / g. An oxidative hair dye composition, comprising: |