I'm sure these applications for fleas will do the trick for lice as well. It does mention them.
Chinaroad Lowchens of Australia - Ticks, fleas, bees, flies, snakes and other gremlins! And how to deal with them! • Fleas • Ticks • Lice • Babesiosis • Natural Flea & Mosquito Remedies •
• Bee Stings • Spider Bites • Fly Bites • Toads • Snake Bites & Vitamin C • Heartworm •
• Repellent Plants • Snake-Proofing Fences • First Aid • Handy Hints • General Links •