Mousse – Comb out stubborn lice and their eggs easier with the Happy Hair Lice and Nit Eliminating Mousse and Nit Glue Dissolver. Working in as little as 15 minutes, this easy-to-use mousse dissolves the glue that holds lice eggs (nits) to the hair shaft. Made with naturally occurring enzymes, this mousse harmlessly removes lice and nits pesticide-free. Thoroughly saturate hair with one or more applications and massage lightly to work into hair, with minimal waiting time between applications. Apply for more effective combing with the Nit Free Terminator Lice Comb. Each pack contains one 4-ounce bottle of Happy Hair Mousse with a foaming applicator.