Radius · Dental Floss
Vegan Peppermint Anywhere Floss 20 Pack
Lower concern; vegan floss has minimal PFAS risk but brand makes no transparency commitment.
Radius Vegan Peppermint Floss is made from plant-based materials without obvious PFAS-prone coatings (no nonstick, waterproof, or stain-resist claims). The brand does not publicly disclose PFAS testing or make any PFAS-free claims. Floss is a low-risk product category overall, but lack of brand transparency limits confidence.
Shop Radius on Amazon →Material
Plant-based floss (likely cellulose or silk)
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
Why this grade
Category baseline
cosmetics is a category where PFAS exposure is more common.
No PFAS disclosure
No public statement about PFAS in this product.
Safe base material
Made from a material with no inherent PFAS use (ceramic, mineral, or natural fiber).
The full breakdown
What it's made of and why it matters
Radius Vegan Peppermint Anywhere Floss is plant-based, typically cellulose or plant-derived fiber rather than nylon or silk. Plant cellulose fibers do not leach problematic chemicals into the mouth during normal use because they are insoluble and cleared quickly. The peppermint flavoring is applied topically to the fiber and represents a minor contact hazard only for individuals with mint sensitivity or severe oral ulcers.
The brand's record and disclosure
Radius is known for emphasizing natural and sustainable dental products but does not publish detailed material safety data sheets or third-party chemical testing results for this product. No recalls, safety violations, or contamination reports are on record for Radius floss. The brand markets this as vegan and plant-based but does not explicitly address manufacturing process safeguards or testing for heavy metals or residual pesticides in the cellulose source.
How it compares in its category
Plant-based floss avoids synthetic polymer hazards (microplastics, Teflon-type coating, nylon breakdown) present in conventional nylon floss. It ranks favorably alongside silk floss on chemical safety but lacks the long-term durability data of traditional alternatives. Cellulose-based floss is biodegradable, reducing post-use environmental persistence, though this does not affect in-mouth safety.
If you buy it
Store in a cool, dry place to prevent fiber degradation or moisture absorption that could promote mold in the container. Use as directed for routine interdental cleaning; discontinue use if mouth irritation develops around the peppermint flavoring. Plant-based floss may fray slightly more than nylon, so inspect the dispenser design for ease of cutting and handling. Replace the pack when floss becomes dry, brittle, or visibly discolored.
Beyond PFAS: other things we checked
Established hazard classes for this product type, assessed from public information. These never change the PFAS grade; a Likely flag caps the Verdict at “Buy with care.”
Peppermint flavoring allergens or irritants
Topical peppermint oil or menthol may trigger contact sensitivity, oral ulceration, or allergic reaction in individuals with mint allergies or pre-existing mouth wounds. This is not a systemic toxicant but a localized irritation risk.
Pesticide residues in plant fiber source
Radius does not publicly disclose whether source cellulose or plant fibers are certified organic or tested for agrochemical residues. Risk is theoretical but unquantified by available brand disclosure.
Heavy metal contamination in cellulose or dyes
No recalls or test results on record for lead, cadmium, or other heavy metals in Radius plant-based floss. Cellulose is generally low-risk, but manufacturing and coloring processes are not detailed publicly.
Formaldehyde-based binding or preservation agents
Plant-based floss typically does not require formaldehyde resins, but brand documentation does not explicitly confirm absence. Exposure risk would be minimal even if present, given brief oral contact and rapid clearance.
Microbial growth in moist floss pack
Cellulose fibers absorb moisture; if stored in humid conditions or kept open, fungal or bacterial colonization could occur on the floss itself. Proper closure and dry storage mitigate this routine hazard.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 72% confidence. It is not a lab result.
No independent PFAS lab test is on record for this exact product. A lab test could move the score in either direction.
The brand has not made a specific, verifiable PFAS-free statement, so part of this score reflects that missing disclosure rather than a confirmed material.
Formulations and coatings change between production runs. Always check the current label before buying.
Safer alternatives in Dental Floss
Cocofloss
Refill Trio
Coconut fiber, based floss with plant-based coating
Lower-concern dental product; natural materials and transparent PFAS stance, but no independent verification.
⚠Risky category by default
Dental Lace
Refillable Silk Dental Floss
Silk floss with compostable refillable packaging
Lower concern; silk floss with credible PFAS-free positioning and third-party certification.
✓Verified PFAS-free by a third party
Dental Lace
Plant Based/Vegan Floss Refillable Glass Container PFAS-Free (2 Spools/4-
Plant-based vegan floss (likely plant cellulose or silk fibers)
Lower-concern product with explicit PFAS-free claim; no third-party verification limits certainty.
⚠Risky category by default
More dental floss grades
How we score: every product runs through the same public 0–100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.