OTC's Permethrin 1.5% Anti-Lice Lotion contains an antiparasitic effect that kills lice. It contains 1.5% permethrin, a pediculicidal active ingredient recommended by the World Health Organization as a first-line treatment for head lice. Benefits: Minimal skin absorption. Suitable for adults and children 2 years and older. If use is necessary for children under 2 years of age, consult your pediatrician or pharmacist first. The case contains: Permethrin 1.5% Lotion, Cap, Nit Comb Active ingredient: Permethrin 1.5%