Stik Cast Iron Seasoning vs International Collection Walnut Oil Pack of 6: which is safer?
Stik Cast Iron Seasoning is the clear pick. International Collection Walnut Oil Pack of 6 carries a failing PFAS grade, and we never recommend buying a failing product.
Our pick
Crisbee
Stik Cast Iron Seasoning
PFAS grade
Excellent 85/100
Overall grade
Excellent 77/100
Verdict
Buy
Hazard flags
⚑ 2
Material
Organic waxes and oils blend
Confidence
78%
PossibleOil rancidity and off-gassing
PossibleAllergen risk from plant oils
Walnut Oil
International Collection Walnut Oil Pack of 6
PFAS grade
Good 65/100
Overall grade
Good 51/100
Verdict
Buy
Hazard flags
⚑ 2
Material
walnut oil, liquid
Confidence
92%
PossibleOxidative rancidity and free radical formation
ReportedAllergen (tree nut)
Where these two actually differ
- We flag Oil rancidity and off-gassing and Allergen risk from plant oils on the Crisbee and not on the Walnut Oil.
- We flag Oxidative rancidity and free radical formation and Allergen (tree nut) on the Walnut Oil and not on the Crisbee.
- The Crisbee is Organic waxes and oils blend where the Walnut Oil is walnut oil, liquid, which is most of the difference in these two grades.
Both products run through the same public rubric: materials, coatings, brand disclosure, lab findings, and recalls, plus a beyond-PFAS hazard analysis. Grades are model-based estimates, not lab tests. How grades work →
More cast iron cookware seasoning & oil: see the full ranking