Non-Toxic Coastal Lice Center Mint Repellent Spray uses essential oils from peppermint to repel lice. This product is a fine mist spray and should be lightly sprayed on the hair.  Designed to last up tp 8 hours. Perfect for school age children and adults alike. Light mist on your Childs hair, head wear, backpack etc. will repel any lice that you might come in contact with. 8 oz