Biodegradable Bamboo Toothbrush Handle Zeco Bamboo Toothbrush has a handle made from sustainably-grown bamboo. It has been carbon treated and polished. With proper care it has better anti-mold performance and is much smoother and splinter free than other bamboo brushes, a perfect fit with your hands. What about bristles? Soft Charcoal Nylon 100% BPA Free Bristles is infused with activated charcoal powder that provides just the right care to keep your gums healthy and teeth white. And the bristle is also super soft, which can protect your gums from bleeding or scratching so you can brush easily and safely.- Perfect For Sensitive Gums & Sparkling Teeth Disposing of Your Zeco Toothbrush Make sure you snap off the head or pluck the bristles out with tweezers (which you can then recycle), and then you can compost the handle.TipsDentists suggest replacing the toothbrush every 3 months. IMPORTANT TIPS FOR MAINTAINING YOUR ZECO BAMBOO TOOTBRUSH? Rinse the bristles thoroughly in water after brushing and give your bamboo toothbrush a good shake.? You can dry both the bristles and the handle with a towel or tissue.? Store your toothbrush on top of your holder or a bowl to fully dry out between uses. About UsWe at Zeco Care are attempting to reduce the amount of plastic waste in our oceans, landfills, and ecosystem. The only feasible way to reduce our collective plastic footprint! There are over 1 billion people in India. 99% of those people brush their teeth with a plastic toothbrush that will eventually end up in landfills and our oceans! Our eco-friendly brushes are a perfect substitute to PLASTIC Toothbrushes while providing a unique brushing experience. "Small acts, when multiplied by millions of people, can transform the world."~ Howard Zinn