Cocofloss Review, Is Cocofloss Non-Toxic?
Cocofloss averages 88 out of 100 on PFAS Authority's PFAS and toxin screen across the 4 Cocofloss products graded as of October 2026, and all 4 reach its 70 point pass mark.
Cocofloss 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 Cocofloss have PFAS, by category
Which Cocofloss products are PFAS-free? Good or better, best-graded first
- Plant-based waxed fiber floss
- A third party reports verifying it as PFAS-free
- Fragrance allergens and sensitizers. The mint flavoring formulation is not specified; if synthetic fragrance…
- 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.…
- Woven plant fiber or nylon core
- We found no PFAS statement from the brand
- Microplastic shedding from synthetic core. If the core is nylon (not plant fiber), flossing may shed…
- Woven coconut fiber core
- We found no PFAS statement from the brand
- Microplastic shedding. While coconut fiber itself is not plastic, poor weave quality or excessive mechanical…
2 hazards checked on this product, all on its full breakdown.
What to buy instead Good or better, in the categories Cocofloss sells
- 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.
- Nylon floss, waxed coating
- The brand calls it PFAS-free, which we have not verified
- Starting grade for this product type
- Nylon filament (primary material)
- The brand calls it PFAS-free, which we have not verified
- Allergic reaction to nylon or additives
Cocofloss and PFAS, common questions
- Does Cocofloss have PFAS?
- Cocofloss averages 88 out of 100 on PFAS Authority's PFAS and toxin screen across the 4 Cocofloss products graded as of October 2026, and all 4 reach its 70 point pass mark. Grades are model-based estimates built from published materials, ingredients and disclosures, not lab tests.
- Is Cocofloss non-toxic?
- Delicious Mint Woven Dental Floss is the highest-graded Cocofloss 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 Cocofloss products are lower concern for PFAS?
- The highest-graded Cocofloss products we have scored are Delicious Mint Woven Dental Floss, Cocofloss Dental Floss, Cara Cara Orange Woven Dental 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 →