PFAS in Cookware: Nonstick Pans, Safety, and Alternatives
PTFE (Teflon) is the standard nonstick coating on most cookware — and it's a PFAS. Here's what that means, which pans to avoid, and what to buy instead.
Renee · Founder, R3
Quick answer
Most nonstick pans use PTFE (marketed as Teflon) — a PFAS compound. 'PFOA-free' labels are misleading because the coating itself (PTFE) is still a PFAS.
What is PFAS (Per- and Polyfluoroalkyl Substances)?
PFAS stands for Per- and Polyfluoroalkyl Substances — a class of over 10,000 synthetic chemicals built on a carbon-fluorine bond so strong that nothing in nature can break it. They earned the name 'forever chemicals' because they accumulate in the body and the environment indefinitely. In cookware, the most common PFAS compound is PTFE (polytetrafluoroethylene), the polymer sold under the brand name Teflon. PFAS are detected in the blood of 97% of Americans, and the EPA's health goal for PFOA and PFOS in drinking water is zero — meaning no level is considered safe.
Read the full PFAS (Per- and Polyfluoroalkyl Substances)guide →
How PFAS (Per- and Polyfluoroalkyl Substances) appears in Cookware
PTFE is the industry-standard nonstick coating on the vast majority of nonstick cookware sold worldwide. Major brands that use it include Tefal (T-fal), Calphalon, All-Clad's nonstick lines, Cuisinart nonstick, and most budget pans at Target and Walmart.
One of the biggest traps for shoppers is deceptive marketing language. Terms like 'diamond nonstick,' 'granite nonstick,' 'titanium-reinforced,' and 'stone coating' are branding choices — not material disclosures. In nearly every case, the base nonstick polymer is still PTFE, with small amounts of mineral particles mixed in for durability or aesthetics. Unless a brand explicitly states ',' assume PTFE is present.
Risk level: Cookware
Avoid
Evidence supports avoiding this ingredient or exposure where possible.
At normal stovetop cooking temperatures — medium heat is roughly 175C (350F), medium-high around 230C (450F) — intact PTFE coatings are considered stable. The degradation threshold is approximately 260C (500F), at which point PTFE begins releasing ultrafine particles and gaseous byproducts including perfluorooctanoic acid and other fluorinated compounds. High heat on an empty pan can push surface temperatures past 380C (720F) within minutes.
A 2022 study published in Science of the Total Environment found that a single crack in a PTFE-coated pan could release approximately 9,100 plastic particles during cooking. Scratched and worn coatings dramatically increase particle migration into food. Research published in Food and Chemical Toxicology demonstrated measurable PFAS transfer from degraded nonstick coatings to food at temperatures achievable in normal cooking.
Compared to air fryers, stovetop cookware presents a different risk profile. Air fryers concentrate heat in a small enclosed cavity with a high-speed fan, distributing any released particles throughout the kitchen. Stovetop pans benefit from better ventilation (especially with a range hood), but families use them far more frequently — often multiple times per day. That higher frequency of use means cumulative exposure from cookware may exceed that of any single appliance. The compounding nature of PFAS exposure matters: because these chemicals don't break down in the body, every meal cooked in a degrading nonstick pan adds to your total body burden.
How to shop for Cookware
The most reliable way to identify safe cookware is to check the brand's material disclosure — not just the marketing name, but the actual coating chemistry. Look for products that explicitly state both 'PTFE-free' and 'PFAS-free.' One without the other is not enough.
Ceramic-coated cookware uses a sol-gel coating (silica-based) that contains no fluoropolymers by chemical structure. The leading brands with verified PFAS-free ceramic coatings are GreenPan (Thermolon coating, $40-$180 per pan), Caraway ($95-$395 for sets), and Our Place Always Pan ($150). Consumer Reports tested GreenPan products and found no detectable PFAS. Ceramic coatings do wear faster than PTFE — expect 2-3 years of peak nonstick performance with proper care.
Cast iron is inherently PFAS-free and will last generations. Lodge is the most accessible brand ($15-$50 per piece). The tradeoff is weight and the need for seasoning, though pre-seasoned options reduce the learning curve. Enameled cast iron (Le Creuset, Staub, Lodge Color) eliminates the seasoning requirement at a higher price point ($60-$380).
Stainless steel contains no coatings of any kind. All-Clad D3 ($100-$200 per pan), Tramontina Tri-Ply Clad ($30-$80), and Made In ($89-$169) are the most recommended options. Stainless steel requires more oil and technique to prevent sticking, but it's the material professional kitchens rely on.
Carbon steel is the French kitchen workhorse — lightweight, naturally nonstick when seasoned, and completely PFAS-free. De Buyer Mineral B ($40-$65) and Matfer Bourgeat ($40-$55) are the top choices. Like cast iron, carbon steel improves with use.
How to read the label
Frequently asked questions
Is Teflon still safe to use?
Intact, undamaged PTFE (Teflon) cookware used at medium or lower heat — below 260C (500F) — poses a lower risk than damaged or overheated pans. However, 'lower risk' is not 'no risk.' PTFE degrades at temperatures easily reached on a standard stovetop, scratched coatings release particles into food, and the replacement processing aid GenX has its own toxicity concerns. If your Teflon pans are in good condition and you cook at moderate heat, the immediate risk is modest. But when it's time to replace them, switching to ceramic, cast iron, or stainless steel eliminates the variable entirely.
What's the difference between PFOA-free and PFAS-free?
PFOA is one specific chemical out of more than 10,000 in the PFAS family. It was phased out of US manufacturing by 2015, so virtually all modern cookware qualifies as 'PFOA-free' — it's a low bar that describes the industry default. A pan labeled PFOA-free can still contain PTFE (itself a PFAS polymer) and may have been manufactured using GenX (PFOA's replacement compound). 'PFAS-free' is a broader claim meaning no compounds from the entire PFAS class are present. The problem is that 'PFAS-free' has no federal legal definition yet. The most trustworthy verification is third-party certification like NSF 537 or published independent test results.