Natural Biodegradable Silk Floss™ – Pure, Plastic-Free Silk Dental Floss for a Cleaner Smile & a Cleaner Planet

Meet Natural Biodegradable Silk Floss™, the authentically natural silk dental floss crafted from pure, hand-spun silk. It offers a gentle, effective clean that’s fully biodegradable, compostable, and plastic-free. Infused with organic virgin coconut oil and coated in organic carnauba wax, this floss glides smoothly to remove plaque, brighten teeth, and
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Made from pure hand-spun silk for a gentle, effective clean
Naturally whitens with organic virgin coconut oil
Coated in organic carnauba plant wax for a smooth glide
100% compostable & plastic-free

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  • Estimated Delivery:Feb 07 - Feb 11

  • Free USA Shipping: On all orders over $30

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Stan H.

Verified Buyer

Works well - surprisingly strong for silk

Works very well and seems surprising strong for silk. PS: Please stop posting the vegan sponge comments on the silk product!

Benefits

Our silk dental floss have a superior grip, helping sweep away plaque with less pressure - ideal for people with sensitive gums or for those who prefer a natural, toxin-free oral care routine.

Organic coconut oil naturally whitens and helps reduce bacteria, while organic carnauba wax ensures a smooth, comfortable glide. Unlike synthetic flosses, Natural Biodegradable Silk Floss™ contains no PFAS, no PTFE, no artificial sweeteners, no preservatives, and no coloring agents - just simple, natural ingredients that work beautifully.

Hand-spun silk fibers make this floss strong yet soft, offering an elevated flossing experience that is as gentle on your mouth as it is on the planet.

Materials

  • Hand-spun Natural Silk
  • Organic Virgin Coconut Oil
  • Organic Carnauba Wax

Free From: PFAS, PTFE, preservatives, artificial sweeteners, GMOs, unnatural coloring, phthalates, parabens, gluten, and all harmful additives.

Sustainability

Natural Biodegradable Silk Floss™ is a 100% biodegradable, 100% compostable, zero-waste floss made without any plastics or petroleum-based materials.

Ethical, Fair-Trade Silk

Our silk is sourced in partnership with the CORSEDA Farm Cooperative in Cauca, Colombia - a Fair Trade, family-owned initiative that empowers local communities and provides sustainable income, especially for women.

Eco-Forward Production

Silk cocoons are boiled carefully to allow the thread to be unraveled as a single continuous strand, creating a stronger, more durable natural floss while using fewer cocoons overall.

Better for You & the Planet

  • 100% compostable floss
    100% plastic-free packaging
  • USDA organic oils & wax
  • Non-GMO
  • This floss breaks down naturally, leaving zero waste behind.

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 U.S. shipping on orders $30 +.
Learn more in our Shipping Policy.

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FAQs Reviews

The RADIUS Difference

Built Different. See It in Action.

Experience the Difference

100% biodegradable and free of gluten, preservatives, artificial sweeteners, and GMOs.

Pure, Hand-Spun Silk for a Superior Clean

Natural silk fibers have a unique ability to grip plaque better than synthetic floss, helping lift debris from between teeth while staying gentle on sensitive gums.

Organic Ingredients That Support Whitening & Gum Health

Organic virgin coconut oil helps whiten naturally, while organic carnauba wax provides a smooth glide without synthetic coatings.

Fair Trade & Zero-Waste

From ethically-sourced silk to fully compostable packaging, this is the ultimate natural silk dental floss for sustainability-minded users.

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.

Is your Silk Floss vegan?

Because silk is harvested from silkworm cocoons, this floss is not considered vegan. For vegan alternatives, try our Vegan Sponge Floss or EcoClean Floss Picks

Is this floss biodegradable?

Yes - our silk is sourced from the CORSEDA Farm Cooperative in Colombia, a Fair Trade program supporting sustainable livelihoods, especially for women. The silk is hand-spun from whole cocoons, reducing the total amount needed for production.

Is this PFAS-free?

Yes - Our Natural Biodegradable Silk Floss™ is 100% biodegradable and compostable, unlike traditional nylon floss.

How is silk floss different from nylon floss?

Absolutely - it’s PFAS-free, PTFE-free, and free from harmful additives.

Does this floss contain any artificial ingredients?

No - only natural silk, organic coconut oil, and organic carnauba wax.

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