Permethrin 1% cream rinse (Nix) Apply to damp hair after ... Repeat in 7 days. Kills head lice by asphyxiation; contains no neurotoxic pesticide. Malathion 5% lotion (Ovide) Apply to dry hair ...

The wax layer of the epicuticle (outer layer) is composed of a matrix of hydrocarbons, and four specific hydrocarbons identified to be consistent among head lice by Scherer were selected for study ...