Walrus Oil Review, Is Walrus Oil Non-Toxic?
Across 2 graded products, Walrus Oil averages Good (65/100). On disclosure, the brand says nothing publicly about PFAS. None of its products grade Good or better yet. Grades are model-based estimates, not lab results.
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.
Graded and flagged Poor and Bad, we’d swap these
Walrus Oil
Cast Iron Seasoning, 4 oz
mineral oil seasoning blend
Mineral oil food contamination from improper wiping
If excessive oil is left on the pan surface and not wiped down before cooking, mineral…
Oxidation and rancidity from extended storage or heat exposure
Mineral oil can oxidize if stored near heat sources or in direct sunlight, potentially…
Material used for seasoning is not linked to PFAS.
⚠Starting grade for this product type
Walrus Oil
Cast Iron Oil
Food-grade mineral oil for cast iron seasoning
Mineral oil purity and contaminants
Food-grade mineral oil is refined but may contain trace residual hydrocarbons or…
Thermal stability and fume risk
Mineral oil has a higher smoke point than many plant oils (around 450F), but excessive…
Oil seasoning for bare cast iron carries minimal PFAS risk.
⚠Starting grade for this product type
Walrus Oil and PFAS, common questions
- Does Walrus Oil have PFAS?
- We graded 2 Walrus Oil products, averaging Good (65/100). None grade Good or better. Grades are model-based estimates built from published materials, ingredients and disclosures, not lab tests.
- Is Walrus Oil non-toxic?
- No Walrus Oil product we graded reaches Good. The best of them is Walrus Oil Cast Iron Seasoning, 4 oz at 65/100.
- Which Walrus Oil products should I avoid?
- The lowest-graded Walrus Oil products we have scored are Walrus Oil Cast Iron Oil, Walrus Oil Cast Iron Seasoning, 4 oz. Each one links to the evidence behind its grade.
Every grade uses the same public rubric. How grades work →