DentaFloss averages 100 out of 100 on PFAS Authority's PFAS and toxin screen across the 2 DentaFloss products graded as of October 2026, and all 2 reach its 70 point pass mark.
Free to quote with attribution to PFAS Authority and a link to pfasauthority.com/brands/dentafloss.
DentaFloss grades Excellent on our four-band scale. On disclosure, the brand claims its products are PFAS-free (self-declared). See what every brand has published about PFAS for how that compares.
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.
Worth buying from DentaFloss Good or better, best-graded first
DentaFloss
Cocofloss Dental Floss
100ExcellentPFAS grade
✓Coconut fiber-based floss
✓The brand calls it PFAS-free, which we have not verified
⚠Microbial growth in natural fiber storage, Coconut fiber is a natural material that can absorb moisture.…
DentaFloss averages 100 out of 100 on PFAS Authority's PFAS and toxin screen across the 2 DentaFloss products graded as of October 2026, and all 2 reach its 70 point pass mark. Grades are model-based estimates built from published materials, ingredients and disclosures, not lab tests.
Is DentaFloss non-toxic?
Cocofloss Dental Floss is the highest-graded DentaFloss product we have scored, at 100/100. It depends on the product line rather than the brand, so check the grade of the exact item you are buying.
Which DentaFloss products are lower concern for PFAS?
The highest-graded DentaFloss products we have scored are Cocofloss Dental Floss, Oral-B Essential Floss. That is our model-based estimate from materials and public disclosure, not a lab test.
