| abstract |
A hair dye composition comprising a mixture of a first agent containing an alkaline agent and a second agent containing an oxidizing agent has a (A) octanol-water-partition coefficient (logP) at 25 ° C. 0.3 to 6 and 1 to 70% by weight of an organic solvent having a molecular weight of 200 or less, (B) 0.01 to 3% by weight of ammonia, and a water content of 20 to 70% by weight after mixing. And a pH of 7.5 to 12, wherein the first agent is an emulsion containing an oil component and a cationic surfactant. [Effect] The hair dye of the present invention has an excellent decolorizing power, can dye the color tone of the hair into a bright and good color, has a low irritating odor, has a low irritation to the scalp, and has a low level of hair. Excellent conditioning effect. [Selection diagram] None |