Look after the environment whilst caring for your teeth and gums with Grin Charcoal-Infused Bamboo Toothbrush! Made from sustainable bamboo, our charcoal-infused bamboo toothbrush handle is 100% biodegradable. The toothbrush bristles have been infused with a premium activated charcoal which has been recognised for its antibacterial and detoxifying properties for thousands of years. Alongside brushing the charcoal works to keep bacteria at bay.