Sensodyne · Dental Floss
Sensodyne Dental Tape
Lower-concern dental product; nylon tape has no known PFAS use, but Sensodyne makes no public statement about it.
Sensodyne Dental Tape is a standard nylon floss product with no known PFAS-using coatings or treatments typical of that category. The brand does not disclose PFAS status, and no public lab data exists. Dental floss is not a typical PFAS-risk category, making this a lower-concern pick by material alone.
Shop Sensodyne on Amazon →Material
Nylon dental floss tape
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
Sensodyne Dental Tape is a nylon-based floss product designed to slide between teeth and remove plaque and food debris. Nylon is a synthetic polymer that does not leach into saliva under normal use conditions, and dental floss spends only seconds in the mouth during each use, making systemic absorption of any material unlikely. The tape format (flat rather than round) increases surface area for plaque removal but introduces no novel safety concerns compared to traditional round nylon floss.
The brand's record and disclosure
Sensodyne is owned by GlaxoSmithKline, a major pharmaceutical and consumer health manufacturer. The brand has no documented history of safety recalls for dental floss products and maintains general product safety compliance with FDA regulations for oral care devices. However, Sensodyne makes no public statement regarding PFAS use or absence in this product, which is typical for the dental floss category but represents a missed transparency opportunity.
How it compares in its category
Most nylon dental tapes and floss products on the market carry similar safety profiles, as nylon is the industry standard material. Sensodyne's tape format is slightly wider than round floss, which some users find easier to handle, but offers no safety advantage or disadvantage. Waxed vs. unwaxed variants exist; wax coating is typically food-grade and poses no identified hazard, though some prefer unwaxed for reduced residue.
If you buy it
Use as directed, typically once daily, and discard after single use. No special storage or heat exposure concerns apply to dental floss. Replace the spool if bristles become frayed or if you notice the tape shredding during use, as degraded floss is less effective at plaque removal. Swallow small amounts of nylon incidentally ingested during flossing is not a documented health risk; the esophagus and digestive system do not absorb or retain nylon fragments.
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.”
Nylon polymer leaching
Nylon is chemically stable and does not leach monomers or plasticizers into saliva during the brief contact time of dental floss use. No established health concerns from nylon exposure via oral floss.
Wax coating safety (if applicable)
Waxed variants use food-grade wax to improve glide. No documented adverse effects from ingestion of small amounts of food-grade wax in the context of floss use.
Choking or aspiration risk
Dental floss is designed for use by adults and older children under supervision; standard product labeling advises against use by young children. No unusual aspiration hazard compared to other floss products.
Gum irritation or abrasion
Aggressive flossing technique can cause gum bleeding or minor cuts regardless of floss material. Sensodyne Dental Tape offers no special gum-protection feature and carries the same minor trauma risk as standard nylon floss. Users with sensitive gums should use gentle technique.
Undisclosed chemical coatings
No evidence of non-transparent chemical additives in Sensodyne Dental Tape beyond standard wax or silicone glide aids. The brand does not publicly itemize all coating ingredients, but this is common industry practice and poses no identified risk.
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.