Dr. Tung's Review, Is Dr. Tung's Non-Toxic?
Dr. Tung's averages 75 out of 100 on PFAS Authority's PFAS and toxin screen across the single Dr. Tung's product graded as of October 2026, which reaches its 70 point pass mark.
Dr. Tung's grades Excellent on our four-band scale. On disclosure, the brand says nothing publicly about PFAS. 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.
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Which Dr. Tung's products are PFAS-free? Good or better, best-graded first
- Nylon floss filament
- We found no PFAS statement from the brand
- Gum irritation or sensitization from filament design. Frayed or poorly maintained floss can mechanically…
Dr. Tung's and PFAS, common questions
- Does Dr. Tung's have PFAS?
- Dr. Tung's averages 75 out of 100 on PFAS Authority's PFAS and toxin screen across the single Dr. Tung's product graded as of October 2026, which reaches its 70 point pass mark. Grades are model-based estimates built from published materials, ingredients and disclosures, not lab tests.
- Is Dr. Tung's non-toxic?
- Dr Tung's Smart Floss 30 yds is the highest-graded Dr. Tung's product we have scored, at 75/100. It depends on the product line rather than the brand, so check the grade of the exact item you are buying.
- Which Dr. Tung's products are lower concern for PFAS?
- The highest-graded Dr. Tung's products we have scored are Dr Tung's Smart Floss 30 yds. That is our model-based estimate from materials and public disclosure, not a lab test.
Every grade uses the same public rubric. How grades work →