In just three simple applications, each seven days apart, MOOV Head Lice Solution kills both the head lice and their eggs, breaking the life cycle. Recommended for use on normal scalps. The combination of natural essential oils interfere with the biochemical mechanisms of the head louse, causing death by poisoning. Fast 10 Min treatment time. Uses a powerful blend of essential oils rather than synthetic insecticides. Pleasant-smelling and easy to use. Comes with re-useable shower cap.