Bad breath is the social killer nowadays, which may significantly reduce the first impression you leave on others. However, bad breath is mainly caused by the oral environment, partly because of the gas produced by bacteria hidden in teeth and tongue coating. While the other part is the rotting smell of bacteria from undigested food in the intestines and stomach. This breath strip launched by WTL contains five patents that can fundamentally cure bad breath, bring a clean and healthy oral environment and maintain long-lasting fresh breath.