Permethrin is a synthetic pyrethroid non-systemic insecticide with contact and stomach action, having a slight repellent property. It is also used for insect control in animal houses and in public health, for ectoparasite control on animals and as a wool preservative.
3-phenoxybenzyl (1RS,3RS;1RS,3SR)-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate.