PFAS65/ 100Good
Overall47/ 100Poor
Fox Run Pizza Stone Set

Fox Run · Pizza Stones & Baking Surfaces

Fox Run Pizza Stone Set

Good

Lower concern for PFAS based on ceramic stone and ceramic coating materials.

Verdict · SkipCeramic pizza stones are not associated with PFAS; ceramic coatings pose minimal chemical leach risk if intact. No brand safety controversies on record.

Fox Run pizza stone set is made from ceramic-coated ceramic and stone. The base material is not linked to PFAS concerns. The brand has no PFAS statement on record.

The better-graded swap

15-Inch Ceramic Pizza Stone for Perfect Crispy Crusts

15-Inch Ceramic Pizza Stone for Perfect Crispy Crusts

90/100 safety

90Excellent

Same rubric that flunked this product. The swap earned Excellent.

Still want this one anyway? Check the price on Amazon. We’d swap it.

Material

Ceramic-coated ceramic/stone

Brand disclosure

Brand is silent on PFAS

Lab data

No public lab test

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Is Fox Run Pizza Stone Set non-toxic? What it is made of

Fox Run pizza stones are ceramic or cordierite stone bases with ceramic glaze or enamel coating. Cordierite and ceramic are thermally stable minerals that do not off-gas or leach at typical pizza oven temperatures (400-500°F). The ceramic coating is a fired glaze, not a synthetic polymer like Teflon-type coating or epoxy, so it does not break down into microparticles or fumes when heated normally. This material class has lower concern than non-stick coatings because the chemistry does not depend on fluorinated compounds or volatile binders.

What’s concerning

♾️

Category baseline

The starting point for this type of product, before anything specific to this product is counted.

70/ 100
♾️

No PFAS disclosure

No public statement from the brand about PFAS in this product.

85/ 100
🍂

Ceramic coating degradation and flaking

Repeated thermal cycling and abrasion can cause the glaze to crack or flake, exposing the porous ceramic base beneath. If microparticles of glaze are ingested, health impact is likely minimal for silicate ceramics, but coating integrity should be monitored. Chips are visible to the user and a practical trigger for replacement.

70/ 100
🍳

Bacterial or mold growth on porous base if glaze breaches

If the ceramic coating is cracked or absent, the porous cordierite or stone base can absorb water and bacteria. This is a food safety concern if the product is washed rather than wiped clean. Proper drying and storage in a dry location mitigates this risk.

70/ 100
⚠️

Thermal shock and cracking (non-chemical safety)

Rapid temperature changes can cause pizza stones to crack or shatter. This is a mechanical hazard (burn or food contamination from stone fragments) rather than a chemical one, but widely documented for all ceramic pizza stones, including Fox Run products. Prevention via gradual preheating is essential.

45/ 100

What’s reassuring

✅

Base material not linked to PFAS

The main material recorded for this product is not one associated with PFAS.

100/ 100
🧠

Lead

Ceramic pizza stones sold in North America are typically compliant with FDA food-contact limits (below 2 ppb for lead). No recalls or reports of excessive lead leaching from Fox Run pizza stones are on record. Testing data is not published by the brand, but the hazard is not established for this product class.

Source, ATSDR ↗
95/ 100
💨

Formaldehyde / VOCs

Fox Run products typically ship in standard cardboard and plastic packaging. No formaldehyde-releasing inks or treatments are known to be used. This hazard is not established for this product.

Source, ATSDR ↗
95/ 100

The full breakdown

The brand's record and disclosure

Fox Run is a kitchenware brand with no established history of chemical safety controversies or recalls related to pizza stones or baking surfaces. The company does not publicly disclose material certifications, heavy metal testing, or manufacturing chemical standards. No third-party testing data or certifications (e.g., FDA food-contact compliance, lead/cadmium limits) are readily available for this specific product line. The brand's silence on material sourcing and testing is typical for mid-market cookware, but not a flag specific to this product.

How it compares in its category

Ceramic-coated pizza stones are a mainstream, low-hazard category compared to alternatives like Teflon-type coating-coated metal or porous unglazed stone. Glazed ceramic coating is more durable than unglazed porous stone (which can absorb oils and harbor bacteria) and has lower concern than synthetic non-stick finishes. Most pizza stone sets from major brands (Rachael Ray, Le Creuset, Emile Henry) use similar cordierite or ceramic materials and offer comparable safety profiles. Fox Run's offering does not stand out as higher or lower risk within this category.

If you buy it

Preheat the stone gradually to avoid thermal shock and cracking; do not expose it to water immediately after hot use. Inspect the glaze annually for chips or cracks that could expose the porous base and compromise food safety and durability. Clean with a dry cloth or soft brush; avoid abrasive scrubbers that can scratch the coating. If the glaze is visibly damaged or discolored from heavy use (typically after 5-10 years of regular use), replacement is advisable to prevent microparticle shedding and uneven heating.

What we don’t know

Basis
Model estimate, 78% confidence, not a lab result
Lab test
None on record for this exact product
Brand statement
Fox Run has made none

Formulations change between production runs, so check the current label. How we grade.

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3 hazards checked on this product. See all of them.

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How we score, every product runs through the same public 0-100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.