Cypermethrinnoun
A pyrethroid insecticide and acaricide.
Cypermethrin
Cypermethrin (CP) is a synthetic pyrethroid used as an insecticide in large-scale commercial agricultural applications as well as in consumer products for domestic purposes. It behaves as a fast-acting neurotoxin in insects.
Permethrinnoun
A synthetic insecticide, C21H20Cl2O3, used to treat head lice, nits, scabies, and in flea collars.
Permethrin
Permethrin, sold under the brand name Nix among others, is a medication and insecticide. As a medication, it is used to treat scabies and lice.