Mix 2 ounces of olive oil with 15 to 20 drops of any of these essential oils - Tea Tree, Lavender, Neem, Clove, Eucalyptus, Aniseed, Cinnamon Leaf, Peppermint or Nutmeg Oil.
Apply to the scalp using cotton balls. Leave this mixture on the scalp and hair overnight—at least 12 hours. Comb out the lice. Shampoo and Rinse.