A pesticide used to kill head and crab lice. Available as a lotion, some of which contains alcohol (not recommended for use on crab lice), the substance may irritate skin and should not be used near damaged skin, eyes or ears. Carbaryl is classified as a likely human carcinogen and is illegal in several countries, including the United Kingdom.
Carbaryl is an insecticide employed for the treatment of head lice and crab lice. It is administered topically as a liquid; however, caution must be exercised to avoid contact with the eyes or areas of broken skin.