HAIRDYE PREPARATION COMPOSITION

摘要

A hairdye preparation composition which is composed of a first agent comprising an oxidation dye and an alkali and a second agent containing hydrogen peroxide and which is used after the first agent is mixed with the second agent. The hairdye preparation composition contains an ascorbic acid compound and the hydrogen peroxide in amounts of 1.0-5.0 mass% and 0.3-1.6 mass%, respectively. The alkali is contained in an amount of 3.0-30 mmol per 100 g of the hairdye preparation composition.