Listerine Review, Is Listerine Non-Toxic?
Listerine averages 75 out of 100 on PFAS Authority's PFAS and toxin screen across the 6 Listerine products graded as of October 2026, and all 6 reach its 70 point pass mark.
Listerine 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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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.
Does Listerine have PFAS, by category
Which Listerine products are PFAS-free? Good or better, best-graded first
- Plastic handle, nylon floss, metal pick
- We found no PFAS statement from the brand
- Microplastic shedding. Repeated bending or damage to the plastic handle during use could theoretically…
- Nylon monofilament floss, mint flavoring
- We found no PFAS statement from the brand
- Fragrance allergens. Mint flavoring may contain natural or synthetic fragrance compounds that trigger…
2 hazards checked on this product, all on its full breakdown.
- Nylon filament (standard dental floss)
- We found no PFAS statement from the brand
- Fragrance allergens (menthol/mint flavoring). Cool Mint formulation includes menthol and artificial flavor…
- Nylon monofilament fiber
- We found no PFAS statement from the brand
- Microplastics. Nylon monofilament floss is designed to remain intact during use and is not meant to be…
- nylon/polyester floss
- We found no PFAS statement from the brand
- Fragrance allergens (mint/flavoring). Mint flavoring in floss may trigger contact sensitization in…
2 hazards checked on this product, all on its full breakdown.
- nylon filament
- We found no PFAS statement from the brand
- Fragrance allergens or irritants. The product name includes 'Mint' flavor, suggesting a scent or taste…
2 hazards checked on this product, all on its full breakdown.
What to buy instead Good or better, in the categories Listerine sells
- 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
Listerine and PFAS, common questions
- Does Listerine have PFAS?
- Listerine averages 75 out of 100 on PFAS Authority's PFAS and toxin screen across the 6 Listerine products graded as of October 2026, and all 6 reach its 70 point pass mark. Grades are model-based estimates built from published materials, ingredients and disclosures, not lab tests.
- Is Listerine non-toxic?
- Listerine Reach Ultraclean Access Flosser is the highest-graded Listerine 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 Listerine products are lower concern for PFAS?
- The highest-graded Listerine products we have scored are Listerine Reach Ultraclean Access Flosser, Johnson & Johnson Listerine Ultraclean Mint Floss, Listerine Cool Mint Floss. 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 →