Eco-Dent · Dental Floss
Eco-Dent GentleFloss Premium Dental Floss Mint
Lower-concern dental floss; traditional waxed nylon formulation without known PFAS triggers, but brand offers no explicit assurance.
Eco-Dent GentleFloss is a waxed nylon dental floss with no apparent Teflon-family coating, water-repellent treatment, or stain-resistant finish, the main PFAS vectors in this category.
Shop Eco-Dent on Amazon →Material
Waxed nylon dental floss
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
Eco-Dent GentleFloss is traditional waxed nylon dental floss, a well-established material class with decades of safety use in mouths. The nylon fiber itself is inert in oral contact; the wax coating (typically plant-based or synthetic paraffin in eco-conscious brands) aids gliding and does not leach significantly during brief daily use in the mouth. No plasticizers, adhesives, or reactive compounds typical of floss are known to migrate into saliva at meaningful doses during normal flossing.
The brand's record and disclosure
Eco-Dent is a smaller oral-care brand with a history of emphasizing natural and eco-friendly positioning, but the company has made no public commitment or third-party certification regarding PFAS avoidance in this product. No product-specific safety recalls or adverse event reports are established in FDA or consumer databases for Eco-Dent floss. The brand's silence on PFAS is consistent with the broader industry norm for dental floss, where PFAS disclosure remains sparse even among eco-focused competitors.
How it compares in its category
Waxed nylon floss is the most common category globally and carries a robust safety profile compared to specialty alternatives (e.g., silk, which may harbor bacteria if unwashed; or tape, which relies on similar materials). Eco-Dent's product does not stand out as meaningfully safer or riskier than brands like Oral-B, Listerine, or Radius, all of which use similar waxed-nylon construction. The main differentiator is Eco-Dent's eco-positioning and packaging; safety fundamentals are equivalent.
If you buy it
Use as directed: unwind a short segment (12-18 inches) per session and dispose after each use; do not reuse. Floss is single-use and non-reusable; no maintenance or special storage is required beyond keeping the spool in a dry place. Replace the spool when unwinding becomes difficult or fibers fray. Mint flavoring is cosmetic; it poses no swallowing risk in the small amounts used during normal flossing.
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.”
Wax coating leachates (paraffin or plant-based)
Dental floss wax coatings are designed to remain on tooth surfaces and gum contact is brief; no established reports of adverse effects or leaching into saliva at therapeutic doses. Swallowing small amounts of wax incidentally during flossing is not considered a health concern.
Nylon fiber microfiber shedding
Nylon floss does not intentionally shed fibers during normal use. Unlike abraded synthetic textiles, dental floss is designed to remain intact; any microscopic fibers are negligible and not documented as a swallowing or ingestion hazard in clinical use.
Mint flavoring allergenicity
Mint flavoring in dental products is typically peppermint oil or synthetic menthol at cosmetic concentrations. No oral sensitization or allergic reactions are established for Eco-Dent GentleFloss specifically; individuals with mint sensitivity can discontinue use but risk from this product alone is not documented.
Dye or colorant in floss strand
If the floss strand itself is colored (e.g., tinted green for mint variety), food-grade colorants are standard; no heavy-metal or azo-dye concerns are established for dental floss products. Oral contact is brief and incidental swallowing is negligible.
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.