Blackstone Review, Is Blackstone Non-Toxic?
Across 3 graded products, Blackstone 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
Blackstone
Griddle Seasoning & Cast Iron Conditioner
Canola oil (mineral oil base)
Oil oxidation and rancidity over time
Canola oil is prone to oxidation, especially if stored improperly or if repeated heating…
Smoke point exceedance
If cast iron is preheated above 450°F before oil application, canola oil will smoke and…
Microbial or bacterial growth if contaminated
If the product bottle is left open in humid conditions or if contaminated water enters…
Lower PFAS concern. Pure oil conditioner without synthetic coatings.
⚠Starting grade for this product type
Blackstone
Griddle Seasoning & Cast Iron Conditioner Bacon Aroma
mineral oil and bacon fat blend for cast iron seasoning
Rancidity of rendered fat component
Bacon fat can oxidize and become rancid if stored improperly or left unused for extended…
Coating buildup and gumming
Excessive or frequent application without proper buffing can create a sticky…
Label allergen transparency
Product contains rendered bacon fat; individuals with severe pork allergies may have skin…
Lower concern. Cast iron seasoning oil product, not a coated surface.
⚠Starting grade for this product type
Blackstone
Culinary Griddle Seasoning and Cast Iron Conditioner
corn oil conditioner for cast iron
Oil rancidity and oxidation
Corn oil can oxidize over time, especially if stored in warm or light-exposed conditions…
Smoke-point degradation and thermal byproducts
Repeated heating above corn oil's smoke point (around 450F) can produce acrolein and…
Allergenic cross-contamination
Corn oil is derived from a top allergen; if used on shared cookware for severe…
Lower concern. Corn oil conditioner for cast iron.
⚠Starting grade for this product type
Blackstone and PFAS, common questions
- Does Blackstone have PFAS?
- We graded 3 Blackstone 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 Blackstone non-toxic?
- No Blackstone product we graded reaches Good. The best of them is BLACKSTONE Griddle Seasoning & Cast Iron Conditioner at 65/100.
- Which Blackstone products should I avoid?
- The lowest-graded Blackstone products we have scored are Blackstone Culinary Griddle Seasoning and Cast Iron Conditioner, Blackstone Griddle Seasoning & Cast Iron Conditioner Bacon Aroma, BLACKSTONE Griddle Seasoning & Cast Iron Conditioner. Each one links to the evidence behind its grade.
Every grade uses the same public rubric. How grades work →