The drug exhibits acaricidal activity against various types of mites, including scabies (acarus scabiei) and demodex mites, and exhibits antipediculosis activity. Has a toxic effect on all types of lice (death of lice occurs after 2-5 hours) and ticks (after 7-32 minutes). Penetrates through the chitinous cover and accumulates in the body of the tick in toxic concentrations. Causes the death of larvae and adults of scabies mites; does not affect eggs.