abstract |
The present invention relates to a method for the decolorization of keratin material that has been dyed using at least one pigment, wherein a decolorizing agent containing (a) at least one salt of a monovalent or bivalent cation, and (b) having a pH of 1.0 to 4.7, is applied to the dyed keratin material and rinsed out again after a leave-in time. |