Does Sensodyne dental floss have PFAS?
Sensodyne dental floss averages 75 out of 100 on PFAS Authority's PFAS and toxin screen across the 5 Sensodyne dental floss products graded as of October 2026, level with the 75 out of 100 median for the 21 other dental floss brands graded alongside it.
Sensodyne dental floss averages Excellent on our four-band scale. 5 of the 5 we graded are worth buying. That is above 48% of the dental floss brands we grade.
PFAS Authority is a scoring system, not a laboratory. We do not test products ourselves. Grades are model-based, built from published ingredients, materials, certifications, brand disclosures and third-party lab results where they exist. See the rubric.
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Top-graded picks in the categories readers replace first, every one scored on the same rubric.
- polypropylene filter housing, carbon/sediment cartridge
- We found no PFAS statement from the brand
- Bacterial growth in spent cartridges
3 hazards checked on this product, all on its full breakdown.
Aquasure
Premier Series 75 GPD Under Sink Reverse Osmosis Water Filtration System
- RO membrane, carbon filters, stainless steel housing
- We found no PFAS statement from the brand
- Bacterial and microbial growth in housing and filters
4 hazards checked on this product, all on its full breakdown.
Avocado
Vegan Mattress
- organic cotton, natural latex, coconut coir, recycled steel coils
- The brand calls it PFAS-free, which we have not verified
- Heavy metals
2 hazards checked on this product, all on its full breakdown.
Sensodyne dental floss worth buying Good or better, best-graded first
- Nylon dental tape, likely uncoated or minimally treated
- We found no PFAS statement from the brand
- Nylon microfiber shedding. Worn or frayed tape may shed nylon microfibers into the mouth. This is a…
2 hazards checked on this product, all on its full breakdown.
- Nylon filament, waxed
- We found no PFAS statement from the brand
- Oral mucosal irritation or allergic reaction. Rare cases of contact dermatitis or gum irritation from…
- Dental floss, synthetic polymer (unspecified)
- We found no PFAS statement from the brand
- Flavoring/mint oil allergens. If this formulation contains added flavoring, mint or spearmint oil can trigger…
- Nylon monofilament dental floss
- We found no PFAS statement from the brand
- Fragrance allergen sensitization. If the floss is flavored (e.g., mint), synthetic fragrances may trigger…
2 hazards checked on this product, all on its full breakdown.
- Nylon dental floss with natural wax coating
- We found no PFAS statement from the brand
- Fragrance allergens or undisclosed additives. Sensodyne may add mint or flavor compounds to the wax coating…
Better dental floss from other brands
Graded higher than the Sensodyne average of 75.
- Plant-based waxed fiber floss
- A third party reports verifying it as PFAS-free
- Fragrance allergens and sensitizers
- nylon monofilament
- The brand calls it PFAS-free, which we have not verified
- Microplastics
2 hazards checked on this product, all on its full breakdown.
- Coconut fiber-based floss
- The brand calls it PFAS-free, which we have not verified
- Microbial growth in natural fiber storage
The same question, asked of the other dental floss brands
Best average grade first. Sensodyne averages 75.
See every Sensodyne product we grade on the Sensodyne brand page, or the full dental floss ranking.