Le Creuset · Pizza Stones & Baking Surfaces
Le Creuset Round Pizza Stone, Is It Non-Toxic?
Stoneware ceramic pizza stone with no coating on record and lower concern.
Le Creuset Round Pizza Stone is stoneware ceramic, a material not linked to PFAS. No water-repellent finish or nonstick coating is on record. The brand has no PFAS statement on record.
The better-graded swap
15-Inch Ceramic Pizza Stone for Perfect Crispy Crusts
90/100 safety
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
Stoneware ceramic
Lab data
No public lab test
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Is Le Creuset Round Pizza Stone non-toxic? What it is made of
This is a stoneware ceramic pizza stone, a fired clay product without non-stick coatings or metal substrates. Stoneware ceramics do not rely on synthetic polymers or fluorinated compounds for their baking function, eliminating Teflon-type coating fume risk entirely. The material is inert once fired; food contact poses minimal chemical leaching risk under normal baking temperatures (typically 400-500°F, well below ceramic degradation thresholds).
What’s concerning
Category baseline
The starting point for this type of product, before anything specific to this product is counted.
No PFAS disclosure
No public statement from the brand about PFAS in this product.
Thermal cracking and structural failure
Stoneware is prone to thermal shock if moved rapidly between temperatures or exposed to direct heat sources. Cracking is a structural failure mode, not a chemical hazard, but compromised surfaces can harbor bacteria or ceramic fragments in food.
Water absorption and mold growth
Unglazed stoneware can absorb moisture if not properly dried after washing, creating conditions for mold or mildew in storage. This is a maintenance and hygiene risk rather than a chemical exposure.
What’s reassuring
Base material not linked to PFAS
The main material recorded for this product is not one associated with PFAS.
Lead
No recalls or testing documentation on record for Le Creuset or Sur La Table stoneware. FDA permits lead migration testing but does not require pre-market disclosure for cookware; reputable ceramic cookware manufacturers typically test negative, though public proof is not always published.
Source, ATSDR ↗Aluminum leaching from base or support
This product is pure ceramic with no metal components listed; aluminum leaching is not a concern unless the stone is used with aluminum accessories or on aluminum racks.
Coating degradation (glaze)
Ceramic glaze, once fired, does not degrade under normal baking use and does not flake or peel like non-stick coatings. The risk of glaze release into food is negligible for intact stoneware.
How is this PFAS grade calculated?
The brand's record and disclosure
Sur La Table (which sells Le Creuset products as a retailer) does not prominently disclose ceramic production standards or heavy-metal testing data on product pages. Le Creuset, the manufacturer, has no documented recalls or safety controversies related to their stoneware cookware. Neither brand publishes independent third-party certification (e.g., lead/cadmium testing reports) as standard practice, which is typical for premium ceramic cookware but limits transparency.
How it compares in its category
Ceramic pizza stones avoid risks inherent to metal alternatives, aluminum leaching, non-stick coating degradation, and lead in enamel glazes. They present lower concern than unglazed ceramic from unknown manufacturers, where lead/cadmium in surface finishes can pose a hazard. The main trade-off is durability and thermal shock sensitivity (thermal cracking if exposed to rapid temperature swings), which is a use limitation rather than a chemical safety issue.
If you buy it
Preheat slowly to allow even heat absorption and avoid thermal shock cracking. Do not use on stovetops or under direct flame; this is a baking-only tool. Hand wash gently; stoneware can absorb water and crack in dishwashers. Replace if deep cracks or chips develop, as they can harbor bacteria or cause sudden failure, though intact ceramic poses no chemical risk.
What is not known about PFAS in this product?
- Basis
- Model estimate, 82% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- Le Creuset has made a specific claim
Formulations change between production runs, so check the current label. How we grade.
What are the PFAS-free alternatives to Le Creuset Round Pizza Stone?
15-Inch Ceramic Pizza Stone for Perfect Crispy Crusts
- Ceramic (clay-based baking stone)
- The brand calls it PFAS-free, which we have not verified
- Glaze degradation and surface leaching
3 hazards checked on this product, all on its full breakdown.
Deluxe Square Pizza Stone with Rack
- ceramic or unglazed stone; no nonstick coating
- The brand calls it PFAS-free, which we have not verified
- Ceramic or stone cracking and fragmentation
2 hazards checked on this product, all on its full breakdown.
- carbon steel (bare metal, no coating)
- We found no PFAS statement from the brand
- Rust and corrosion
2 hazards checked on this product, all on its full breakdown.
Find an alternative on AmazonMore pizza stones & baking surfaces grades
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.