abstract |
the present invention relates to a powder hair dye composition, which contains the following components (a) to (c): (a) one or more azo dyes selected from the group consisting of (a-1 ), (a-2) and (a-3) below, (b) an alkaline agent other than alkanolamines and (c) 1.5% by weight or more and 40% by weight or less of solvent. |