From the number one pediatrician-recommended lice removal brand.* Nix Electric Lice Removal Comb kills and removes lice and eggs (nits) from head hair. It contains no chemicals or pesticides and kills lice when they come in contact with the comb teeth. Featuring a LED lice indicator light, the Nix Electronic Lice Comb identifies and removes lice and eggs (nits) with a fine tooth and cleaning brush. Treatment should be repeated over the course of 10 days to ensure all lice have been killed. For maximum effectiveness, repeat the treatment every 2-3 days. For best performance, read and follow the package instructions carefully. Nix lice treatment is trusted by parents and feared by lice. Nix offers a variety of lice combs, shampoos, treatment kits, hair prevention spray and lice spray for furniture and bedding to nix out lice in your home. *Based on Pediatrician Survey December 6, 2022.