Meet the RADIUS Source Toothbrush: the ultimate eco-friendly companion to your oral care routine. Each replaceable wide brush head is packed with 3000+ plant-based bristles that gently massage your gums, protect your enamel, and scrub away plaque with superior cleaning power. The long neck and ergonomic, reversible handle make brushing Read More+
Meet the RADIUS Source Toothbrush: the ultimate eco-friendly companion to your oral care routine. Each replaceable wide brush head is packed with 3000+ plant-based bristles that gently massage your gums, protect your enamel, and scrub away plaque with superior cleaning power. The long neck and ergonomic, reversible handle make brushing easy and comfortable for both left- and right-handed users. Say goodbye to bleeding and receding gums and say hello to a healthier smile with this truly eco-friendly brush.
Using a replaceable head toothbrush reduces plastic waste by an incredible 93%, but RADIUS doesn’t stop there. Every curve, bristle, and material reflects RADIUS’ commitment to exceptional eco-friendly oral care. Crafted from upcycled cellulose, recycled soda pop bottles (PET), and an array of unique renewable fibers, this deep cleaning toothbrush is designed with you and the planet in mind.
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Sustainable by Design
Eco-Conscious Materials
Gentle Yet Effective
USA-Made Quality
Soda Pop Eco-Grind
US Currency
Starch
Coconut Shell
Hemp
Assorted
End-rounded, plant-based bristles that deliver a gentle, effective clean while protecting enamel and soothing gums.
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Estimated Delivery:Feb 05 - Feb 09
Free USA Shipping: On all orders over $30
Kanalyn
Verified Buyer
Smart and Sustainable
I’ve been using the RADIUS Source™ for a while now, and it’s easily one of the most comfortable brushes I’ve tried. The wide head covers more surface, and the soft bristles feel gentle but clean really well. The handle is ergonomic and made from recycled materials, which I love. Plus, you can just replace the head instead of tossing the whole thing smart and sustainable.
Benefits
The RADIUS Source Toothbrush is designed to adapt to your mouth and your values. This toothbrush with a removable head makes brushing more personal and planet-friendly. The wide brush head covers more surface area while evenly distributing pressure, giving this deep cleaning toothbrush its gentle and effective gum-massaging power.
Materials
The Source handle is made from recycled soda pop bottles (rPET) and renewable plant-based materials like hemp, coconut husks, and upcycled cellulose.
Uses the universal RADIUS® replacement head toothbrush system to fit multiple RADIUS models.
Our vegetable-based nylon bristles come in Super Soft Flossing, Soft, and Medium strengths for your unique needs.
A 100% biodegradable toothbrush handle with recyclable packaging.
Sustainability
From handle to bristle, the Source was built to last and made to matter. Every RADIUS Source Toothbrush is crafted in our Pennsylvania facility on low-energy machines. Made from recycled and plant-based materials like soda pop bottles (PET) and natural hemp - this biodegradable toothbrush reflects our planet-forward mission from start to finish. If everyone switched to a Source, 4 billion fewer toothbrushes a year would end up in landfills!
30-Day Guarantee
We stand behind every RADIUS product. If you don’t fall in love within 30 days, return it for a full refund, no questions asked.
Shipping Info
All orders ship in recyclable packaging. Free shipping on U.S. orders $30+.Learn more in our Shipping Policy.
Our iconic replacement head system reduces plastic waste by 93% while delivering a deep, effective clean. Choose Super Soft Flossing or Soft and Medium bristles.
Long Neck
The long, slender neck gives users a better reach for a deeper clean without sacrificing comfort.
Ergonomic, Sustainable Handle
Made from plant-based materials. Durable, beautiful, and designed to balance comfort with sustainability.
A Favorite for Healthier, Happier Mouths
Customers Raving About RADIUS
Better by Design
We rethink everyday oral care from the ground up. From ergonomic shapes to bristle density and balance, every detail is intentionally designed to clean better, feel better, and last longer.
Cleaner Ingredients, Fewer Compromises
We believe oral care should be effective and clean. That’s why our products are free from unnecessary additives and made with materials and ingredients chosen for safety, performance, and peace of mind.
Thoughtfully Sustainable
Sustainability is built into everything we make. We use recycled, plant-based, biodegradable, and compostable materials wherever possible — designing products that reduce waste without sacrificing performance.
Frequently Asked Questions
Answers to common questions to help you understand things better.
How often should I replace the head?
Every 3-6 months or when bristles show wear. Just pop off the old head and click on a new one. A RADIUS replacement head toothbrush can last up to 3x longer than other brands, but the life of your toothbrush depends on how hard you brush and how often.
Are the bristles soft?
Yes. The Source™ comes in Super Soft Flossing, Soft, and Medium bristle types. Our Super Soft Flossing bristles are tapered to get closer to your gum line while our Soft and Medium bristles are end-rounded for a pillow-soft clean. Our wide heads have over 3000 plant based bristles to help cover more surface area, protect enamel, and improve gum health all in one deep cleaning toothbrush.
Is the RADIUS Source™ Toothbrush biodegradable?
Each RADIUS Source™ Toothbrush is a biodegradable toothbrush made from renewable, recycled materials and plant based components, sustainable by design. In addition, all RADIUS toothbrushes contain EcoPure®, an organic additive that helps products biodegrade more quickly in landfills. A material without EcoPure degrades at a rate of 3.2%, but a material with EcoPure degrades at a rate of 40.2%. That’s a significant change!
Where is the RADIUS Source™ Toothbrush made?
Every Source™ Brush is crafted in the USA at our Pennsylvania facility using low-energy machines, a commitment to sustainability from handle to bristle.
