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.
Malathion lotion 0.5% (also known as Ovide) is a prescription medication that is approved for head lice and can kill some eggs. Directions and precautions for use must be strictly followed. Lindane shampoo 1% is approved for lice treatment, but shouldn't be used as first line treatment.