Antibacterial charcoal toothbrush heads Designed to be used with the ION-Sei Ionic Toothbrush Made from Bincho Charcoal which has antibacterial properties Compact brush head helps to clean hard-to-reach areas Tapered design effectively cleans in between teeth Soft bristles are gentle on your gums Change your brush head every 3 months Made from Bincho Charcoal, these toothbrush heads help to remove pigments and stains from your teeth. Charcoal is a highly absorbent material, meaning it also helps to dispel bacteria and toxins from your mouth - so you can achieve that fresh clean feeling every time. These soft toothbrush heads reach even hard-to-reach areas, like your back teeth, and are also gentle on your gums. ION-Sei Bincho Charcoal Toothbrush Head x2