ponent which comprises a cationic quaternary ammonium surfactant of the formula ##STR1## wherein R, R1 and R3 are lower alkyl radicals, R2 is a polyoxypropylene radical and A is selected from the group consisting of halogen, sulfate and sulfamate, said ammonium surfactant having a molecular weight of from 500 to 3000, and a low molecular weight alkyl naphthalene sulfonic acid or water soluble salt