The CHARBRIGHT toothbrush has organic bamboo charcoal embedded into every bristle in the brush. The activated charcoal helps prevent bad breath, remove plaque, and is a natural deodorizer. The bamboo’s natural antimicrobial properties create negative ions, which helps prevent harmful bacteria growth on the toothbrush between uses. Bamboo is naturally antimicrobial -- No need to worry about bacteria growing in your handle Eco-Friendly -- It is a 100% biodegradable toothbrush. Charcoal Infused Bristles Organic Bamboo Handle Detoxifies Mouth Eco-Friendly Natural Antimicrobial Properties Gentle But Effective Charbright by Alps+MD.