Does Elmex dental floss have PFAS?
Elmex dental floss averages 75 out of 100 on PFAS Authority's PFAS and toxin screen across the 4 Elmex 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.
Elmex dental floss averages Excellent on our four-band scale. 4 of the 4 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
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- 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.
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- organic cotton, natural latex, coconut coir, recycled steel coils
- The brand calls it PFAS-free, which we have not verified
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2 hazards checked on this product, all on its full breakdown.
Elmex dental floss worth buying Good or better, best-graded first
- Nylon floss with wax coating
- We found no PFAS statement from the brand
- Nylon degradation and microfiber release. Nylon fibers may fragment during aggressive flossing, creating…
2 hazards checked on this product, all on its full breakdown.
- nylon multifilament floss, unwaxed
- We found no PFAS statement from the brand
- Residual manufacturing contaminants. Manufacturing of nylon fiber may involve trace processing residues, but…
- waxed nylon dental floss with ammonium fluoride active
- We found no PFAS statement from the brand
- Fluoride systemic exposure. Ammonium fluoride in floss is topical and minimal absorption occurs in normal…
2 hazards checked on this product, all on its full breakdown.
- Nylon floss with wax coating
- We found no PFAS statement from the brand
- Fragrance allergens (if flavored variant). Unflavored Elmex Waxed Floss carries minimal fragrance risk.…
2 hazards checked on this product, all on its full breakdown.
Better dental floss from other brands
Graded higher than the Elmex 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. Elmex averages 75.
See every Elmex product we grade on the Elmex brand page, or the full dental floss ranking.