https://buyparkdomain.com/story.php?title=lice-treatment-long-island-ny- Malathion is an organophosphate. The formulation of malathion accredited in the United States for the remedy of head lice is a lotion that is secure and effective when used as directed. Malathion is pediculicidal (kills stay lice) and partially ovicidal (kills some lice eggs). Sat, 07 Jun 2014 23:02:36 EDT en