Ninja · Nonstick Skillets
Ninja Woodfire Cast Iron Baking Pan BK 13.28"
Lower concern, cast iron is inherently PFAS-free, but Ninja provides no transparency on manufacturing.
This is a cast iron baking pan, a material without PFAS risk in normal use. Ninja offers no public statement on PFAS or manufacturing practices for this product.
Shop Ninja on Amazon →Material
cast iron
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
Why this grade
Uncoated safe material
Bare, uncoated material (cast iron, stainless, carbon steel, or glass) with no surface treatment to contain PFAS.
Category baseline
cookware is a category where PFAS exposure is more common.
No PFAS disclosure
No public statement about PFAS in this product.
The full breakdown
What it's made of and why it matters
This is cast iron, not nonstick-coated cookware, which eliminates the primary chemical concern in modern skillets: synthetic coatings that may contain or degrade into harmful compounds. Cast iron is inherently inert at normal cooking temperatures and does not shed synthetic polymers, microplastics, or volatilize industrial fluorochemicals. The "Woodfire" designation refers to design aesthetic (wood-inspired finish or handle), not a coating process with added chemical risk. Cast iron's main chemical interaction is iron leaching, which is generally negligible and actually nutritionally beneficial for most users.
The brand's record and disclosure
Ninja (SharkNinja Operating LLC) does not publicly disclose manufacturing certifications, third-party testing, or PFAS avoidance protocols for its cookware line. No recalls or safety complaints specific to this cast iron baking pan are on record from CPSC or consumer databases. The brand has faced scrutiny on PFAS and other chemical transparency across its product range, but has not issued formal statements addressing cast iron cookware safety specifically. Absence of reported issues does not equal verified safety testing.
How it compares in its category
Cast iron baking pans are the safest cookware material class because they lack synthetic coatings prone to degradation or chemical leaching. This Ninja model is chemically equivalent to Lodge, Le Creuset, or vintage cast iron in terms of material hazard profile. It carries no inherent PFAS risk that a premium or budget cast iron alternative would avoid. Competitive advantage is design and heat retention, not chemistry.
If you buy it
Season and maintain the pan with food-grade oils (vegetable, coconut, or mineral oil) to preserve the protective patina and prevent rust; reseason periodically if cooking acidic foods. Cast iron can leach small amounts of iron into food, especially acidic dishes like tomato-based sauces, but this is nutritionally neutral or positive for most diets and not a safety concern. Avoid prolonged soaking in water, use gentle scouring (salt and oil, not abrasive pads), and dry immediately. Cast iron baking pans typically do not require replacement unless warped or cracked.
Beyond PFAS: other things we checked
Established hazard classes for this product type, assessed from public information. These never change the PFAS grade; a Likely flag caps the Verdict at “Buy with care.”
Iron leaching
Cast iron naturally leaches small amounts of iron into food, particularly in acidic preparations. This is not toxic but may be undesirable for individuals managing iron intake; dietary impact is minimal for most users.
Rust and oxidation if mishandled
Proper maintenance prevents rust. No chemical hazard, but poor care (prolonged water exposure, storage in humid conditions) can compromise the pan's integrity over time without introducing contaminants.
Lead or cadmium in glaze or enamel coatings
Cast iron baking pans are not typically enameled at the cooking surface; this hazard applies to enameled cast iron cookware (e.g., Dutch ovens with colored coatings). The Woodfire pan appears to be bare cast iron with no glaze.
Teflon-type coating or synthetic nonstick coating degradation
This product is cast iron, not Teflon-type coating-coated. No synthetic nonstick material is present, eliminating fume risk from overheating or coating wear.
Bacterial growth in seasoning oil or surface
Improper cleaning or drying can allow bacterial colonization in crevices or patina layers. This is a hygiene concern rather than chemical toxicity; regular cooking at high heat mitigates risk.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 82% confidence. It is not a lab result.
No independent PFAS lab test is on record for this exact product. A lab test could move the score in either direction.
The brand has not made a specific, verifiable PFAS-free statement, so part of this score reflects that missing disclosure rather than a confirmed material.
Formulations and coatings change between production runs. Always check the current label before buying.
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More nonstick skillets 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.