A product for the oxidative coloring and/or lightening of keratinic fibers includes (1) a dispenser, having two chambers (A) and (B) separate from each other, and having an outlet opening (C) which is in communication with chamber (A) and with chamber (B) (2) an aqueous cosmetic preparation (a) in chamber (A), having a viscosity V1 of 1000 to 100,000 mPas (22° C./Brookfield viscometer/spindle 5/4 rpm), and (3) an aqueous cosmetic preparation (b) in chamber (B), having a viscosity V2 of 1000 to 100,000 mPas (22° C./Brookfield viscometer/spindle 5/4 rpm), wherein the ratio of the viscosities V1/V2 has a value of 0.3 to 3.0.
