| abstract |
New 2-alkylsulfonylethyl-1,4-diaminobobenzenes of the formula I <IMAGE> in which R has the meaning CH3 or C2H5 and their salts, a process for the preparation of the compounds of the formula I and agents for the oxidative coloring of human hair on the basis of a developer substance -Coupler substance combination containing a compound of formula I as developer substance. The readily water-soluble developer substances of the formula I, in combination with the coupler substances resorcinol, 4-chlororesorcinol, 4,6-dichlororesorcinol, 4-hydroxy-1,2-methylenedioxybenzene and 4-amino-1,2-methylenedioxybenzene, give very naturally looking blond to brown Shades. |