CB12 mouthwash ensures pleasant breath for longer by actively neutralising odorous breath instead of just masking it for a short while. Its patented formula is clinically proven to have a 12-hour effect, and in addition it also includes fluoride, an ingredient proven to strengthen your enamel with daily use. Scientific studies using instruments specifically designed to detect the sulphurous gases at the root of unpleasant odours have proven that CB12 is effective. The clinical trials have proven