| abstract |
The present invention provides a hair dye, which has excellent hair dyeing properties, is simple to use, can dye hair in a short time, and is also excellent in safety to hair and scalp. A kind of hair dye, it contains simultaneously or respectively: Component (1): be selected from the pigment with catechol structure, the pigment with pyrogallol structure, the pigment with α-hydroxycarbonyl structure, with β-hydroxyl One or two or more of the pigments of carbonyl structure and their pigment precursors and/or their pigment precursors; and component (2): an organic titanium compound and/or an organic zirconium compound. In addition, a hair dyeing method, which applies the above-mentioned component (1) and the above-mentioned component (2) to hair simultaneously or separately. |