What Are the Dangers of Permethrin? | Healthy Living
Sep 30, 2017·Permethrin is a synthetic chemical that is used as an insect repellent and insecticide. It is most often used to kill parasites and their eggs. In humans, a mild topical derivative of the pesticide is used to treat scabies and lice. It is available in powder, dust, spray, emulsifier and smoke forms.