Non-Toxic Cast Iron Skillets, ranked by PFAS grade
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Top-graded picks in the categories readers replace first, every one scored on the same rubric.
- polypropylene filter housing, carbon/sediment cartridge
- We found no PFAS statement from the brand
- Bacterial growth in spent cartridges
3 hazards checked on this product, all on its full breakdown.
Aquasure
Premier Series 75 GPD Under Sink Reverse Osmosis Water Filtration System
- RO membrane, carbon filters, stainless steel housing
- We found no PFAS statement from the brand
- Bacterial and microbial growth in housing and filters
4 hazards checked on this product, all on its full breakdown.
Avocado
Vegan Mattress
- organic cotton, natural latex, coconut coir, recycled steel coils
- The brand calls it PFAS-free, which we have not verified
- Heavy metals
2 hazards checked on this product, all on its full breakdown.
11 of the 14 cast iron skillets PFAS Authority has graded reach its 70 point pass mark for PFAS and other toxins, 78.6% of the category, as of October 2026, and 3 score below it. The highest graded is Lodge Cast Iron Classic Cast Iron Skillets at 75 out of 100.
The full ranking is below, best-graded first, with every score linking to the evidence behind it.
Are cast iron skillets safe?
11 of the 14 cast iron skillets we graded come back low-concern on our screen and 3 do not. Our grades are model-based assessments built from published materials, ingredient lists, certifications and brand disclosures, not laboratory tests, so they say what we can evidence rather than that anything is safe.
Best graded cast iron skillets here
- 1Lodge Cast Iron Classic Cast Iron Skillets 75 out of 100
- 2Field Company Field Co. Cast Iron Skillet No. 8 75 out of 100
- 3Field Company Cast Iron Skillet No. 4 75 out of 100
Start here
The best non-toxic cast iron skillets, ranked by grade
Buyer’s guide
What to look for in cast iron skillets, and which brands grade best and worst
Cast Iron Skillets, ranked.
The quickest read, what to skip and the top-graded picks worth buying instead.
Le Creuset
Signature Saucepan
Low risk, enameled cast iron design avoids PFAS-prone nonstick coatings.
Lodge
Cast Iron Classic Cast Iron Skillets
No coating on record to link to PFAS concern.
Why Lodge Cast Iron Classic Cast Iron Skillets wins, and what it beats
Every grade on this page is one sum. A category starts from a baseline, each disclosed material or coating adds risk points, and each thing the brand or a third party has published takes them away. Below is that sum for the winner, then for 1 product it beats, so you can see exactly where the 10 points between the top and the bottom of this cast iron skillets ranking come from.
The winner
Made of cast iron (bare or seasoned with oil).
- +30Category baseline. The starting point for this type of product, before anything specific to this product is counted.
- +15No PFAS disclosure. No public statement from the brand about PFAS in this product.
- -20Bare uncoated material. Recorded as a bare, uncoated material with no surface coating or treatment.
25risk points in total, which is a grade of 75
What the grade does not fix. It still carries one risk factor, No PFAS disclosure, and our graders recorded 3 other hazards on it. See the full breakdown.
What it beats, and why
What puts it behind. The winner earns -20 points for Bare uncoated material. We found nothing comparable published for this product.
Made of Enameled cast iron.
- +30Category baseline
- +15No PFAS disclosure
- -10Base material not linked to PFAS. The main material recorded for this product is not one associated with PFAS.
35risk points, a grade of 65
No product on this page was physically tested by us. Every number above comes from published materials, ingredient and coating disclosures, certifications and brand statements, scored on one public rubric. Formulations change without notice, so check the current product listing before buying.
Which cast iron skillets are PFAS-free? Good or Excellent, best-graded first
- cast iron (bare or seasoned with oil)
- Iron leaching into food
3 hazards checked on this product, all on its full breakdown.
- cast iron, bare/seasoned surface
- We found no PFAS statement from the brand
- Iron leaching into acidic foods
2 hazards checked on this product, all on its full breakdown.
- cast iron, seasoned surface
- We found no PFAS statement from the brand
- Rust and iron transfer to food
2 hazards checked on this product, all on its full breakdown.
- cast iron, seasoned with oil
- Iron leaching
3 hazards checked on this product, all on its full breakdown.
- Cast iron, seasoned with oil
- We found no PFAS statement from the brand
- Iron leaching into acidic foods
2 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon
- Cast iron, seasoned finish
- We found no PFAS statement from the brand
- Seasoning degradation and rust exposure
- Cast iron, seasoned with oil
- We found no PFAS statement from the brand
- Iron leaching at low pH
3 hazards checked on this product, all on its full breakdown.
- Cast iron, pre-seasoned with vegetable oil
- We found no PFAS statement from the brand
- Iron leaching
3 hazards checked on this product, all on its full breakdown.
- Cast iron, seasoned/bare metal
- We found no PFAS statement from the brand
- Coating degradation over time
2 hazards checked on this product, all on its full breakdown.
- Cast iron, seasoned with oil
- We found no PFAS statement from the brand
- Iron leaching into food
2 hazards checked on this product, all on its full breakdown.
- Cast iron with glass lid
- We found no PFAS statement from the brand
- Glass lid thermal shock or breakage
2 hazards checked on this product, all on its full breakdown.
Which cast iron skillets contain PFAS? Poor and Bad, we’d swap these
- cast iron with vitreous enamel coating
- Enamel coating degradation and chipping
3 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon- Enameled cast iron (outer enamel coating, cast iron core)
- Lead
4 hazards checked on this product, all on its full breakdown.
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