Directions: Make sure your hair is clean before you start using this product. We recommend that you use the Nitty Gritty Aromatherapy Hair Lice Kit if there are signs of head lice. Nitty Gritty can be applied to hair at a distance of approximately 12 inches. Pay special attention to the areas behind and around the ears. The amount required will depend on the length of hair. Let dry naturally. You should use it on a regular basis.