Amouthwash ad that asks the viewer if he or she has ever scared away a date because of bad breath tries to provoke

'There is some evidence that using mouthwashes does have some clinical benefit in reducing levels of plaque - but only by a bit,' says Professor Damien Walmsley, scientific adviser to the British Dental Association. 

They are helpful, they are never going to be a replacement for the mechanical action of a toothbrush for getting teeth and gums clean.'