To treat bad breath follow this remedy twice daily. Bad breath is just an all-around unfortunate thing. It can make social situations uncomfortable, and it’s not pleasant to experience even if you’re all alone. There are quite a few quick-fixes out there and if you already religiously floss and brush, it can be quite frustrating trying to deal with it.Boil one teaspoon of cinnamon powder in a cup of water. You may add some bay leaves and cardamom too. Strain the solution and use it as a mouth rinse to refresh your breath.