TheraBreath mouthwash is good.

This is the most famous mouthwash for removing bad breath. It is tasteless and not so painful that it stings the tongue, yet among all the mouthwashes I have used, it was the most effective at eliminating bad breath. There is a product that comes in a bottle, but I found these single-use packs convenient and great for using when I am out and about. I highly recommend TheraBreath mouthwash!