Webster Dictionary(0.00 / 0 votes)Rate this definition: 1  Fiat(noun) an authoritative command or order to do something; an effectual decree. 2  Fiat(noun) a warrant of a judge for certain processes. 3  Fiat(noun) an authority for certain proceedings given by the Lord Chancellor's signature.
HEAD LICE PRODUCTS. Our ClearLice lice treatment products will naturally get rid of lice from your head and home (clothing, bedding, furniture, carpets, and car interior) in just one day. ClearLice lice prevention products will help prevent lice from infesting your life.
An inexpensive grade of olive oil is much easier to wash out of the hair than petroleum jelly and substances such as mayonnaise may become sticky in the morning and develop a bad smell. Olive oil is our choice for the treatment of head lice because it avoids the side effects of other treatments. Avoiding the potential absorption of a chemical pesticide and understanding that head lice may become resistant to various chemical pesticides are two good reasons.