OTC Permethrin For Lice Still Endorsed Despite Latest Resistance Research
This article was originally published in The Tan Sheet
Executive Summary
Continued use of permethrin as the front-line treatment for newly diagnosed infestations of head lice is advised by Harvard researchers despite new data showing some lice in the U.S. are resistant to the ingredient. Several OTC lice products, such as Warner-Lambert's Nix, contain permethrin as an active.