Natural Biodegradable Silk Floss

Want a biodegradable, plastic-free dental floss made with simple, natural ingredients? RADIUS Silk Floss® is a natural dental floss crafted from pure silk and coated in organic coconut oil and carnauba wax for a smooth, comfortable glide. Designed to gently remove plaque while soothing gums, it delivers an effective clean
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Made from pure hand-spun silk for a gentle, effective clean
No PFAS, PTFE, artificial sweeteners, preservatives, & coloring agents
Coated in organic carnauba plant wax for a smooth glide
100% compostable & plastic-free

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  • Estimated Delivery:Jun 18 - Jun 22

  • Free USA Shipping: On all orders over $35

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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

More Amazing Details

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Silk for a Softer Clean

Pure silk fibers create a natural dental floss that gently removes plaque while feeling softer and more comfortable on gums than synthetics.

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Naturally Smooth Glide

An organic coconut oil and carnauba wax coating provides an easy glide between teeth, reducing friction and improving comfort while flossing.

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100% Plastic-Free by Design

From the silk thread to the short ingredient list and eco-carton packaging, every detail is designed to reduce waste while maintaining everyday functionality.

Customers Raving About RADIUS

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.