Grapeseed Oil · Cast Iron Cookware Seasoning & Oil
Pompeian 100% Grapeseed Oil
Lower concern. Grapeseed oil is not a material linked to PFAS.
This product is edible grapeseed oil used for seasoning cast iron. The material as recorded is not associated with PFAS concern. The brand has no PFAS statement on record.
The better-graded swap
Crisbee
Stik Cast Iron Seasoning
85/100 safety
Same rubric that flunked this product. The swap earned Excellent.
Still want this one anyway? Check the price on Amazon. We’d swap it.
Material
Grapeseed oil, liquid edible oil
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
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What Pompeian 100% Grapeseed Oil is made of, ingredients and materials
Pompeian 100% Grapeseed Oil is a refined vegetable oil extracted from grape seeds, containing primarily linoleic acid and other polyunsaturated fats. As a liquid oil rather than cookware with coatings or non-stick surfaces, it does not pose the chemical leaching risks typical of enameled, ceramic, or Teflon-type coating-coated pans. The oil itself is a food product subject to FDA oversight and labeling standards, not a material that degrades into consumer-facing hazards during normal use.
What’s concerning
No PFAS disclosure
No public statement from the brand about PFAS in this product.
Category baseline
The starting point for this type of product, before anything specific to this product is counted.
Oxidative degradation and rancidity
Grapeseed oil is high in polyunsaturated fats, which oxidize faster than saturated fats when exposed to heat, light, or air. Rancid oil can produce harmful free radicals and off-flavor compounds; proper storage mitigates this risk significantly.
Smoke point exceedance and thermal degradation
Heating grapeseed oil above 420F can break down fatty acids and produce aldehydes and other volatile compounds. User error (not product defect) is the primary risk; the oil itself has a defined safe upper temperature limit.
What’s reassuring
Base material not linked to PFAS
The main material recorded for this product is not one associated with PFAS.
Pesticide residue
Grape seeds used for oil extraction are not typically subject to the same pesticide scrutiny as whole grapes sold for consumption. No documented contamination recalls for Pompeian or competing brands suggest this is not a material concern, though non-organic oils are not tested for residue presence as standard practice.
Source, EPA ↗Lead
Grapeseed oil is a refined, processed product that does not concentrate heavy metals the way whole grapes or grape skins can. No recalls or testing failures for Pompeian grapeseed oil on record; standard food safety monitoring applies.
Source, ATSDR ↗Allergenicity and cross-contact
Grapeseed oil is not a major allergen and does not appear on FDA priority allergen lists. Risk is limited to rare individual sensitivities; labeling does not report known allergen warnings for Pompeian products.
The full breakdown
The brand's record and disclosure
Pompeian is a long-established U.S. oil brand with no major public safety recalls or contamination incidents on record. The company does not make explicit public statements about PFAS testing or certification (which is atypical for an oil product, since oils are not expected to contain PFAS). No third-party testing controversies or formal regulatory warnings against Pompeian grapeseed oil are documented in available sources.
How it compares in its category
Grapeseed oil is a conventional cooking oil with a high smoke point (around 420F), making it suitable for medium-heat and some higher-heat cooking. It ranks similarly to canola and vegetable oils in oxidative stability and safety profile. Unlike specialty oils marketed with unverified health claims, Pompeian positions itself as a neutral culinary product without exaggerated wellness positioning that might trigger false advertising scrutiny.
If you buy it
Store in a cool, dark place away from direct sunlight to slow oxidation and rancidity, which can develop over 1-2 years even in sealed bottles. Do not heat grapeseed oil beyond 420F to avoid smoke point breakdown and potential trans fat formation. Replace if the oil develops off-odors or becomes cloudy, indicating degradation. Keep the cap sealed tightly to prevent moisture and oxygen ingress.
What we don’t know
- Basis
- Model estimate, 92% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- Grapeseed Oil has made none
Formulations change between production runs, so check the current label. How we grade.
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More cast iron cookware seasoning & oil grades
How we score, every product runs through the same public 0-100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.