From the number one pediatrician-recommended lice removal brand.* Nix Lice Killing Spray will kill lice and bedbugs in your home. The bedbug and lice spray is effective for up to 4 weeks. It's easy to use – simply spray on affected areas such as bedding and furniture. Spray has no odor, will not stain water-safe fabrics and surfaces and does not leave a sticky residue. 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.