Halita Tongue Cleaner by Dentaid. Eliminates film producing bacteria CVS (mainly responsible for bad breath) that is formed on the surface of the tongue. His two sides, an undulating profile that fits the central depression of the tongue, and a sleek profile to clean the sides allow for easy cleaning of the tongue, the main reservoir of bad breath. His two sides, an undulating profile that fits the central depression of the tongue, and a sleek profile to clean the sides allow for easy cleaning of the tongue, the main reservoir of bad breath.