Warning Toothbrush / Health toothbrush

The service life of a toothbrush is about 3 months. According to scientific statistics, using a toothbrush for more than 3 months can lead to excessive bacteria. If you continue to use this toothbrush, it will cause a lot of oral problems and even make your teeth infected with bacteria. Warning Toothbrush can remind you of how long it can also be used. Simply assembled Warning Toothbrush and then use it, red liquid will slowly rise, thin tube inside the Toothbrush after 3 months rose red liquid reached the top of the Toothbrush, then you should buy a new one.