Beginner’s Guide to PFAS-Free Cookware: What to Buy and What to Avoid

Most traditional nonstick pans rely on a PFAS coating. This guide explains how to tell which pans do, what the alternatives are made of, and how to read a brand's claims.

At a Glance

• Traditional nonstick pans are coated with PTFE (best known as Teflon), a fluoropolymer that belongs to the PFAS family.
• "PFOA-free" is not the same as PFAS-free. PFOA was phased out of US production by 2015, so most PTFE pans sold today are PFOA-free. What the label really means.
• Stainless steel, cast iron, and carbon steel have no coating, so PFAS are not part of their design.
• Ceramic nonstick is usually made without PTFE, but brands differ in how much evidence they publish.
• Few certifications cover cookware, and each covers different things.

Why PFAS Are Used in Cookware

PFAS are synthetic chemicals built on chains of carbon bonded to fluorine. The carbon–fluorine bond is one of the strongest in organic chemistry, which makes these materials heat-resistant, oil- and water-repellent, and very slippery.

In cookware, that chemistry appears mainly as PTFE (polytetrafluoroethylene), a coating food barely sticks to. Some coatings also use related fluoropolymers such as PFA and FEP.

PTFE is stable at normal cooking temperatures. It can start to give off fumes when a pan is overheated above about 260 °C (500 °F), and breaks down faster above about 350 °C (662 °F), which can happen when an empty pan is left on high heat. The fumes can cause short-lived, flu-like symptoms in people, known as polymer fume fever, and can be fatal to pet birds. Manufacturers generally advise keeping PTFE pans below 260 °C (500 °F).

For many people, the larger concern is upstream. PFAS can be released during manufacturing and disposal, and some persist in the environment for decades. Several US states now restrict the sale of cookware with intentionally added PFAS.

What the Labels Mean

• PFOA-free: no PFOA, one specific PFAS. It says nothing about whether the pan has a PTFE coating.
• PTFE-free: no PTFE coating. Other fluoropolymers or PFAS could still be present.
• PFAS-free: the brand says it uses no PFAS. There is no federal definition, so look for documents or test results.
• "Non-toxic," "eco," "green": not defined or regulated. These words tell you little about materials.

California's cookware law (AB 1200) bars brands from claiming a pan is "free of" one chemical, such as PFOA, if it intentionally contains another chemical from the same group.

Cookware Materials Compared

Stainless Steel

An iron–chromium–nickel alloy, usually layered around an aluminum or copper core for even heating. No coating. Durable and ideal for searing, but food sticks unless the pan is preheated with oil. Small amounts of nickel and chromium can move into acidic foods, mostly during the first several uses.

Cast Iron

Bare iron protected by seasoning: thin layers of oil that polymerize into a hard, slick film when heated. Heavy, holds heat well, and becomes more nonstick with use. Needs drying and occasional re-oiling.

Carbon Steel

Similar to cast iron, but thinner and lighter, and seasoned the same way. Often shipped with a beeswax or oil coat to prevent rust.

Enameled Cast Iron

Cast iron coated with vitreous enamel, a layer of glass fused to the metal at high temperature. No seasoning needed, and well suited to acidic foods. Enamel is not a PFAS coating; the useful question is whether lead and cadmium leach testing has been published.

Ceramic Nonstick

A metal pan, usually aluminum, with a silica-based coating applied as a liquid and cured (a sol-gel process). Typically made without PTFE. Very nonstick when new, but release tends to fade faster than PTFE. Low to medium heat and wooden or silicone utensils help it last.

Pure Ceramic

Made entirely of fired clay and glaze, with no metal body or coating. Heavy and sensitive to sudden temperature changes. Look for published lead and cadmium testing.

What to Avoid

• PTFE pans sold as "PFOA-free," if your goal is to avoid PFAS.
• Vague coating claims such as "green nonstick" or "eco coating" with no description of the material.
• Overheating any nonstick pan, especially an empty one on high heat.

How to Check a Brand's Claim

1. Read the exact wording. "Made without PFAS" and "PFOA-free" are different claims.
2. Look for documents. Many brands publish chemical disclosures under California's AB 1200. A PTFE pan will list PFAS there.
3. Look for named lab results: the lab, the test date, and what was measured. Many tests target a list of specific PFAS molecules and do not directly measure fluoropolymers such as PTFE.
4. Check what a certification covers. See our guide to PFAS-free certifications.

The Bottom Line

To avoid PFAS entirely, choose an uncoated pan (stainless steel, cast iron, or carbon steel), enameled cast iron, or pure ceramic. If you want easy release, ceramic nonstick is the main PTFE-free option; favor brands that publish independent test results. See six popular nonstick pans compared.

Sources

1. U.S. EPA. Fact Sheet: 2010/2015 PFOA Stewardship Program.
2. California Legislature. AB 1200: Plant-based food packaging; cookware; hazardous chemicals (2021).
3. StatPearls (NCBI Bookshelf). Polymer Fume Fever.
4. Kamerud, K. L., Hobbie, K. A., & Anderson, K. A. (2013). Stainless steel leaches nickel and chromium into foods during cooking. Journal of Agricultural and Food Chemistry, 61(39), 9495–9501.
5. Morgan Lewis. State Regulation of PFAS in Consumer Products Continues to Gain Momentum in 2026.