Activated charcoal is pretty awesome stuff. It can be used to absorb chemicals, remove unpleasant odors from the air, regulate humidity, dissipate electromagnetic fields, and for deodorizing stuff. So why not make it work on for you on a toothbrush? Well the Japanese are already on the case with the Binchotan Charcoal Toothbrush.
This famous “black toothbrush” has bristles blended with high-quality powder of binchotan charcoal. Each bristle of the brush head is blended with Binchotan charcoal which known to radiate negative ion and has powerful deodorizing effect to remove plaque and the cause of bad breath. It also helps to prevent harmful bacteria or viruses from growing within the brush. Made in Japan. The nylon bristles on the polypropylene toothbrush are blended with high-quality Binchotan charcoal powder from Wakayama, Japan, which not only helps eliminate plaque and bad breath, but also prevents unhealthy bacteria from growing within the fibers.