permethrin pyrethroid insecticide. used to treat scabies and head lice in humans. used to impregnate mosquito nets and in flea

permethrin permethrine insecticide acaricide repellent insect pesticide pyrethroid neurotoxin cat fish scabies agriculture cloth impregnant mosquito net flea collar broadspectrum tick ticks head lice parkinson parkinsons hydrogen carbon oxygen chlorine molecule atoms atomic model molecular