Vegetable Oil Review, Is Vegetable Oil 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 1 graded product, Vegetable Oil averages Excellent (80/100). On disclosure, the brand says nothing publicly about PFAS. 1 of its products grade Good or better. Grades are model-based estimates, not lab results.
Worth buying from Vegetable Oil Good or better, safest first
Vegetable Oil
Clarks Cast Iron Seasoning Oil
Vegetable oil seasoning, no coating applied
Oxidative degradation and rancidity
Vegetable oils are prone to oxidation during storage or at high heat, potentially…
Smoke point exceedance and thermal degradation
If cast iron is heated beyond the oil's smoke point (typically 350, 450°F for refined…
Allergenic or inflammatory seed oils
If the oil is soy-based, individuals with soy allergy may react, though minimal skin…
Lower concern; plain vegetable oil contains no PFAS by nature.
⚠Risky category by default
Every grade uses the same public rubric. How grades work →