A toothbrush designed for a cleaner smile and a cleaner planet. The RADIUS® Source™ Brush combines a replaceable head with an upcycled handle, reducing plastic waste by an impressive 93%. Instead of tossing out the whole toothbrush, simply swap the head and keep brushing. Small change, big impact. The medium-sized head features vegetable-based nylon bristles, radiating from a curved bristle bed for a deeper clean. The design doesn’t just polish teeth—it gently massages gums while reaching tricky spots with ease. Paired with a long, slim neck and an ergonomic handle made from repurposed materials, this sustainable toothbrush is built for comfort, control, and lasting performance. What Makes It Special Eco-friendly toothbrush with replaceable head to reduce waste by 93% Bristles made from vegetable-based nylon for sustainability Curved bristle-bed design provides a deep clean while massaging gums Long neck reaches back teeth with ease Durable handle made from repurposed, recycled materials Ergonomic reversible handle for both right- and left-handed use Each handle carries a unique eco-friendly personality How to Use Brush as usual, letting the curved bristle-bed clean teeth and massage gums Replace head every 3 months (or sooner if bristles fray) Snap in a new Source™ Brush head to extend the life of the handle Pair with RADIUS® Source Replacement Heads for maximum sustainability Crafted with Purpose RADIUS® believes that great design should benefit both people and the planet. The Source™ Brush embodies that mission with a recyclable handle, plant-based bristles, and refillable heads. By combining ergonomic comfort with eco-friendly innovation, it proves that sustainable toothbrushes can deliver the same clean, polished feel as conventional ones—without the waste.