The invention relates to a preparation for treating keratinic fibres, containing a. a cationic polysiloxane polymer having quaternary ammonium groups, b. a polydimethylsiloxane having a kinematic viscosity of from 50cSt to 5000 cSt, measured with a Haake Viscotester VT 550 with the NV measurement system at 25°C, c. a cationic surfactant, d. one or a plurality of fat compounds having a melting point of >; 35°C and an aqueous carrier.