Nix out Super Lice. Nix Ultra 2-in-1 Super Lice Treatment Solution kills head lice and eggs (nits), including hard-to-kill Super Lice. From the #1 pediatrician-recommended lice removal brand*, this solution effectively eliminates head lice and eggs (nits). Nix Ultra 2-in-1 Treatment is specifically designed to kill Super Lice, which have developed resistance to many traditional lice treatments. First, treat with pesticide-free, non-toxic Nix Ultra 2-in-1 Treatment Solution that's easy to apply and tough on lice, but gentle on skin. Then, remove lice and eggs (nits) from head hair with the Nix Professional Lice Removal Comb. Nix Ultra 2-in-1 Super Lice Treatment Solution is for use on head hair and is safe for use on children 2 years and older. Nix is trusted by moms and feared by lice. See the package insert for full instructions and read entire label before each use. Spanish instructions included. *Pediatrician survey data on file.