Bed bugs may be killed by IGRs - toxic chemicals that stop the breeding cycle of insects, and also by chemicals based on pyrethroids. Despite the proved fact that that some populations of bed bugs can resist this group of substances, most of the insects dies. Professional exterminators use of insecticides based on pyrethroids, but you can use it too – take special killers sprays. Professional exterminators use of insecticides based on pyrethroids, but you can use it too – "choose the best bug spray from our separate review."