Use 1 level Tbsp Borax and mix with 2/3 cup very warm water. Stir well until dissolved. Add small amounts more warm water to dissolve any remaining Borax. Add 1/3 cup 3% Hydrogen Peroxide and mix. Pour this over your head and body in small amounts at a time until gone while rubbing into scalp and skin and let dry. Lice and chewing lice die when the come in contact or ingest it. Use on humans of all ages, horses, dogs and cats. Use an Elizabethan collar on cats so they don't clean and ingest it while it's wet. Stay warm while wet, and ask your Vet before trying this for the first time. Use a hair dryer to stay warm while drying. Cats with liver disease must ask Vet FIRST because it can cause death.
Used borax to treat family for lice. Mixed dishsoap with 1 tbsp of borax to make a shampoo. Used borax in hot water to wash bedding, stuffies. Use dryer. Put borax in spray bottle with hot water to spray carpets and pillows and furniture that couldn't be laundered. Vaccuum. Be careful doing this around crawling babies or small toddlers or pets.