You’ve probably already had an encounter with someone who doesn’t take care of their personal hygiene. Those people usually have a bad general smell, very dirty clothes or a terrible bad breath. People nowadays have a lot of problems with bad breath. It is quite common in many people nowadays. There are even some cases where people really brush their teeth, but it is simply hard to remove what is causing their bad breath, no matter if it is a meal that they consumed or a bacterium that could be present in their mouth.