Kill Lice is the attitude of the parents who find out their children have contracted it. You don't want to kill lice, you want to eliminate them! When you try to kill anything it involves excessive force, using pesticides to kill lice also threatens the child. There are natural ways to break down the shell of the louse. Licenders lice products contain enzymes which break the shell of the louse. Natural lice removal products safely help eliminate lice.