noun
definition
A synthetic insecticide, C21H20Cl2O3, used to treat head lice, nits, scabies, and in flea collars.
Examples of permethrin in a Sentence
In addition, permethrin may cause erythema, stinging, rashes and edema.
In human beings permethrin is efficiently metabolized by mammalian livers.
A synthetic pesticide called permethrin is now used in treating timber.
Permethrin is available in dusts, emulsifiable concentrates, smokes, ULV (ultra-low volume), and wettable powder formulations.
You cannot use the synthetic form of pyrethrin called permethrin on cats.
Typically, Mosquito Control sprays a chemical called permethrin, which is similar to a chemical made by chrysanthemums.
Synthetic products often contain permethrin.
The U.S. Environmental Protection Agency warns consumers not to use dog flea and tick products on cats because of the toxicity of permethrin and other ingredients harmful to cats.
Permethrin (1%)(Nix) is a more stable synthetic pyrethrin.
Permethrin works by paralyzing the lice, so that they cannot feed within the 24 hours after hatching required for survival.
Several types of lotions (usually containing 5% permethrin) can be applied to the body and left on for 12 to 24 hours.
According to the directions, permethrin helps prevent insects from even touching clothing for as much as several weeks after application.
If you must go outdoors, invest in mosquito netting, which can protect the face (and even soaked in permethrin for double protection).