Fox Run Review, Is Fox Run Non-Toxic?
Fox Run averages 57 out of 100 on PFAS Authority's PFAS and toxin screen across the 5 Fox Run products graded as of October 2026, and none of them reach its 70 point pass mark.
Fox Run grades Good 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.
You may also be interested in
Top-graded picks in the categories readers replace first, every one scored on the same rubric.
Aqua Pure
3M Aqua-Pure AP802B Whole House Filter Housing
- 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. See all of them.
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. See all of them.
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. See all of them.
Graded and flagged Poor and Bad, we’d swap these
Fox Run
3916 Square Pizza Stone 14" x 15"
- Cordierite ceramic stone
- We found no PFAS statement from the brand
- Mineral leaching from cordierite base material, Cordierite is chemically stable and non-soluble at typical…
2 hazards checked on this product. See all of them.
Find an alternative on AmazonFox Run
Pizza Stone Set
- Ceramic-coated ceramic/stone
- We found no PFAS statement from the brand
- Ceramic coating degradation and flaking, Repeated thermal cycling and abrasion can cause the glaze to crack…
3 hazards checked on this product. See all of them.
Find an alternative on AmazonFox Run
Round Pizza Stone
- Ceramic-coated stoneware / unglazed clay base
- We found no PFAS statement from the brand
- Coating degradation and exposure of porous clay base, Repeated thermal stress and acidic foods (tomato sauce)…
2 hazards checked on this product. See all of them.
Find an alternative on AmazonFox Run
Square Pizza Stone
- Cordierite ceramic stone
- We found no PFAS statement from the brand
- Thermal shock and structural failure, Cordierite is designed to resist thermal shock but can still crack if…
Fox Run
Parchment Paper Roll 5772
- cellulose paper with grease-resistant coating (type unspecified)
- We found no PFAS statement from the brand
- PFAS, Undisclosed coating formulation suggests possible fluorinated polymer use common in legacy parchment…
3 hazards checked on this product. See all of them.
Find an alternative on AmazonFox Run and PFAS, common questions
- Does Fox Run have PFAS?
- Fox Run averages 57 out of 100 on PFAS Authority's PFAS and toxin screen across the 5 Fox Run products graded as of October 2026, and none of them reach its 70 point pass mark. Grades are model-based estimates built from published materials, ingredients and disclosures, not lab tests.
- Is Fox Run non-toxic?
- No Fox Run product we graded reaches Good. The best of them is Fox Run 3916 Square Pizza Stone 14" x 15" at 65/100.
- Which Fox Run products should I avoid?
- The lowest-graded Fox Run products we have scored are Fox Run Parchment Paper Roll 5772, Fox Run Square Pizza Stone, Fox Run Round Pizza Stone. Each one links to the evidence behind its grade.
Every grade uses the same public rubric. How grades work →