Field Company Review, Is Field Company Non-Toxic?
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.
Across 3 graded products, Field Company averages Excellent (77/100). On disclosure, the brand says nothing publicly about PFAS. 2 of its products grade Good or better. Grades are model-based estimates, not lab results.
Worth buying from Field Company Good or better, safest first
Field Company
Field Co. Cast Iron Skillet No. 8
cast iron, bare/seasoned surface
Iron leaching into acidic foods
Bare cast iron does release small amounts of dietary iron when cooking acidic foods…
Rust and surface corrosion
Bare cast iron will rust if left wet or stored in humid conditions. Rust itself is iron…
Low risk, bare cast iron is a conventional, non-coated cookware choice.
⚠Risky category by default
Field Company
Cast Iron Skillet No. 4
cast iron, seasoned surface
Rust and iron transfer to food
Cast iron can rust if seasoning is neglected or damaged, and iron does transfer to acidic…
Seasoning oil degradation or rancidity
The seasoning layer uses polymerized oil, which can degrade if exposed to prolonged heat…
Low risk, cast iron inherently PFAS-free and does not require Teflon-family coating coatings.
⚠Risky category by default
Graded and flagged Poor and Bad, we’d swap these
Field Company
Cast Iron Seasoning Oil
Hemp oil seasoning, applied to bare cast iron
Oil oxidation and rancidity
Hemp oil contains polyunsaturated fats that oxidize over time, especially if stored warm…
Smoke or fume inhalation at high heat
Hemp oil begins to smoke around 330F. If cast iron is heated well above this temperature…
Lower concern; hemp oil is inherently PFAS-free; cast iron is bare material.
⚠Risky category by default
Every grade uses the same public rubric. How grades work →