Break two annoying habits that many children, teenagers and adults struggle with. Thum contains a bitter-tasting but harmless pure vegetable products to "remind" them whenever they put fingers in their mouths. Unlike other preparations, Thum contains no ingredients that could cause nausea or upset stomach. Starts working with the first application. Apply to dry fingernails twice a day. Remove with nail polish remover.
Note: Keep out of reach of young children. Do not use on babies.