| abstract |
dye,nthe at least one dye precursor for annaturally-analogous dye selected from the group ofnIndole or indoline derivatives, at least one organic compound,nwhich carries at least one thiol group in the molecule,nand at least one alkalizing agent and are freenof additional oxidants and oxidationnthe color-forming components catalyzing enzymes leadnto more intense staining on keratin substrate. |