Lice Lifters Nit Removal Mousse is a non-toxic, pesticide free product proven to eliminate head lice and their eggs (nits) in just one treatment in conjunction with Lice Lifters Treatment Solution. This cleaning product uses a combination of naturally occurring active enzymes to remove head lice and nits without pesticides. It is clinically proven to dissolve nit glue and is safe for repeat treatments. It is also biodegradable upon application and has no residual effects. The lice cannot become resistant to Lice Lifters Nit Removal Mousse.