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 ...

(Higher concentrations of permethrin are used in medications for treating both head lice and scabies.) Spray only your clothing. We said it before, but it’s worth repeating: Permethrin spray is ...

It contains the active ingredients imidacloprid, permethrin, and pyriproxyfen. Imidacloprid is classified as a neonicotinoid insecticide that controls fleas and lice. Permethrin is classified as ...

With each round of research, Yoon and his team noted that lice are getting more and more resistant to permethrin. In their latest study, published last year in the Journal of Medical Entomology ...