# PTFE (Polytetrafluoroethylene / Teflon)

> A synthetic fluoropolymer used as the nonstick coating on most cookware and air fryer baskets. PTFE is classified as a PFAS compound. It's chemically inert at normal temperatures, but begins releasing toxic fumes above 500 degrees F - a real concern with high-heat cooking, overheated pans, and families who own pet birds.

**Type:** ingredients
**Categories:** air-fryer, cookware-set, frying-pan, saute-pan, dutch-oven
**Risk Level:** limit
**Evidence Strength:** established
**Status:** active
**Source:** https://www.r3recs.com/learn/ingredients/ptfe-teflon

## Reality Check

**Claim:** PFOA-free cookware is safe because the harmful chemical has been removed.
**Reality:** PFOA-free only means one processing chemical (banned since 2015) isn't present. The pan almost certainly still contains PTFE - the fluoropolymer coating itself - plus GenX or other replacement processing aids with emerging toxicity concerns. 'PFOA-free' is a factually accurate but practically misleading label.

## Overview

PTFE stands for polytetrafluoroethylene - a synthetic polymer where every hydrogen atom on the carbon backbone has been replaced by fluorine. That fluorine sheath is what makes PTFE slippery, heat-resistant, and chemically inert. It's the material behind Teflon, DuPont's original brand name (now owned by Chemours), and it coats the majority of nonstick cookware, air fryer baskets, and bakeware sold in the US today.

Here's what makes PTFE complicated: it's technically classified as a [PFAS](/learn/ingredients/pfas) compound because it contains carbon-fluorine bonds. But PTFE behaves differently from the small-molecule PFAS chemicals (like [PFOA](/learn/ingredients/pfoa) and PFOS) that contaminate drinking water and accumulate in blood. PTFE is a high-molecular-weight polymer - it doesn't dissolve in water, it's not bioavailable, and it passes through the digestive tract unchanged if you accidentally ingest a flake of coating. The German Federal Institute for Risk Assessment (BfR) has confirmed that swallowed PTFE particles pose no health risk.

So why is it on our radar? Because PTFE doesn't stay inert forever. When heated above 500 degrees F (260 degrees C), it begins breaking down and releasing toxic fumes. And that's a temperature many kitchens can reach - especially with empty preheating, high-heat searing, or air fryers running at maximum output.

## The Temperature Problem

Intact PTFE coating at normal cooking temperatures (under 400 degrees F) is considered safe by the FDA, which has approved PTFE for food contact under 21 CFR 177.1550. The concern starts when PTFE overheats:

- **500 degrees F (260 degrees C)**: PTFE begins off-gassing detectable fumes
- **572 degrees F (300 degrees C)**: Meaningful thermal degradation begins; toxic byproducts increase
- **680 degrees F+ (360 degrees C+)**: PTFE releases carbonyl fluoride, hydrogen fluoride, and perfluoroisobutylene (PFIB) - compounds that can cause acute lung injury

An empty nonstick pan on a burner can reach 500 degrees F in under 5 minutes. Air fryers are a particular concern because the enclosed cavity and high-speed fan circulate any released particles throughout the cooking chamber - and they can spike above their set temperature during preheating.

## Polymer Fume Fever

Breathing PTFE degradation fumes causes a condition called polymer fume fever, sometimes called "Teflon flu." Symptoms appear 4-8 hours after exposure: fever, chills, headache, chest tightness, and body aches. It typically resolves within 24 hours. US Poison Control data shows cases have tripled in recent years, reaching over 265 suspected cases in 2023.

The stakes are higher for some groups. People with asthma or chronic lung conditions face more severe reactions. And for pet bird owners, PTFE fumes are a genuine emergency - birds have extremely efficient respiratory systems, and PTFE pyrolysis gases are acutely lethal to parrots, cockatiels, and budgies at temperatures as low as 536 degrees F (280 degrees C). Death can occur within minutes.

## PTFE vs. PFOA - The Critical Distinction

This is the most important thing to understand about modern nonstick cookware: PTFE and PFOA are not the same thing.

**PFOA** (perfluorooctanoic acid) was a processing aid used during PTFE manufacturing from the 1950s until DuPont phased it out under EPA pressure by 2013-2015. PFOA is a confirmed Group 1 carcinogen (WHO/IARC, 2023) linked to kidney cancer, testicular cancer, thyroid disease, and immune suppression. It's the chemical at the center of the DuPont C8 lawsuits and the Dark Waters story.

**PTFE** (the finished polymer) has no established link to cancer, thyroid disruption, or the chronic health effects associated with PFOA. The polymer itself is biologically inert.

So when a pan says "PFOA-free," that's true - but almost meaningless. All US-manufactured PTFE cookware has been PFOA-free since 2015. The label doesn't tell you whether the pan still contains PTFE (it almost certainly does) or whether the replacement processing aids (like GenX) carry their own risks (emerging evidence says they do).

## PTFE Across Product Categories

### Cookware

The vast majority of nonstick [cookware](/category/cookware-set) and [frying pans](/category/frying-pan) use PTFE as the base polymer - including products marketed with terms like "diamond," "granite," "titanium," or "marble" nonstick. Those are mineral-infused PTFE, not alternatives to it.

PTFE-free cookware falls into four material families:

**Ceramic nonstick** uses a sol-gel silica coating instead of fluoropolymers. [Caraway Cookware Set](/products/caraway-cookware-set), [GreenPan Valencia Pro](/products/greenpan-valencia-pro-11-piece), and [Our Place Always Pan](/products/our-place-always-pan-2) are the most tested PTFE-free options - Consumer Reports found no detectable PFAS in GreenPan products. Ceramic coatings wear faster (1-3 year lifespan) but eliminate the fume risk entirely.

**Stainless steel** has no coating to degrade. [All-Clad D3](/products/all-clad-d3-stainless-steel-10-piece), [All-Clad D5](/products/all-clad-d5-stainless-steel-10-piece), [Demeyere Industry5](/products/demeyere-industry5-7-piece), and [Made In Stainless Steel](/products/made-in-stainless-steel-10-piece) are top performers. Food does stick without proper technique and fat, but that's a cooking skill trade-off, not a safety issue.

**Cast iron** is naturally PTFE-free when seasoned with oil. [Lodge Cast Iron Skillet](/products/lodge-cast-iron-skillet-10), [Victoria Cast Iron](/products/victoria-cast-iron-skillet-12), and [Smithey No. 12](/products/smithey-no-12-cast-iron-skillet) are excellent family options. Enameled cast iron (like [Staub](/products/staub-cast-iron-cocotte-5-5-qt) and [Le Creuset](/products/le-creuset-signature-dutch-oven-5-5-qt)) adds a glass-like coating that's also PTFE-free.

**Carbon steel** offers similar benefits to cast iron at lighter weight. [de Buyer Mineral B](/products/de-buyer-mineral-b-carbon-steel-12), [Matfer Bourgeat Black Steel](/products/matfer-bourgeat-black-steel-pan-12), and [Merten & Storck](/products/merten-storck-carbon-steel-12) all build natural nonstick properties with seasoning.

### Air Fryers

Most mainstream [air fryer](/category/air-fryer) baskets are PTFE-coated - including popular models from Cosori, Instant Pot, Philips, and many Ninja lines. The enclosed cooking environment and high-speed air circulation make air fryers a higher-risk context than open pans.

PTFE-free air fryers with verified ceramic or stainless steel baskets include [Ninja Crispi Pro](/products/ninja-crispi-pro-6-in-1-glass-air-fryer-as101cy) (glass bowl with ceramic-coated accessories) and countertop ovens that avoid basket coatings entirely, like the [Our Place Wonder Oven](/products/our-place-wonder-oven) and [Breville Smart Oven Air](/products/breville-smart-oven-air-fryer-pro).

## How to Identify PTFE in Products

Labels that indicate PTFE is present:
- "Non-stick" with no coating material specified - assume PTFE
- "Teflon-coated" or "PTFE-coated"
- "Fluoropolymer coating"
- "Diamond nonstick," "granite nonstick," "titanium nonstick" - these are PTFE with mineral additives
- "PFOA-free" without "PTFE-free" - PFOA was removed, PTFE remains

Labels that indicate PTFE-free:
- "Ceramic coating" or "ceramic nonstick" (verify the brand also claims PFAS-free)
- "Stainless steel" or "uncoated"
- "Cast iron" or "carbon steel"
- "PTFE-free AND PFAS-free" stated together
- [MADESAFE](/learn/certifications/madesafe) certification

## Safe Use of Existing PTFE Cookware

If you're not ready to replace your nonstick pans, these guidelines reduce risk:

1. **Never preheat empty** - always add oil or food before heating
2. **Stay below medium heat** - keep surface temperatures under 400 degrees F
3. **Ventilate your kitchen** - run the range hood or open a window
4. **Use silicone, wood, or nylon utensils** - metal scratches accelerate coating breakdown
5. **Discard at first sign of flaking** - once the coating is damaged, replace the pan
6. **Keep birds out of the kitchen** - PTFE fumes are lethal to pet birds even at moderate overheating

## Also Known As

- Teflon
- Polytetrafluoroethylene
- Fluoropolymer coating
- PTFE nonstick
- DuPont Teflon

## Where Found

- Nonstick cookware - frying pans, saucepans, griddles, bakeware (PTFE is the base coating)
- Air fryer baskets and crisper trays (most mainstream brands use PTFE)
- Bakeware - muffin tins, cookie sheets, cake pans with nonstick coating
- Some dental floss brands (used as a glide coating)
- Stain-resistant clothing and outdoor gear (DWR water-repellent finishes)
- Industrial gaskets, seals, and bearings
- Wire insulation and cable jacketing
- Some cosmetics and personal care products

## Health Concerns

PTFE's health risks are primarily temperature-dependent, not dose-dependent like small-molecule PFAS.

**Polymer fume fever**: Inhaling PTFE degradation fumes (above 500 degrees F) causes flu-like symptoms - fever, chills, chest tightness, headache - within 4-8 hours. Typically self-limiting, resolving in 24 hours. At extreme temperatures (above 680 degrees F), PTFE releases hydrogen fluoride and PFIB, which can cause acute lung injury requiring medical attention.

**Ingested particles**: Flaked or scratched PTFE coating that's swallowed is considered biologically inert - it passes through the GI tract unchanged. The BfR and Columbia University studies confirm no absorption. However, long-term effects of chronic micro/nanoparticle ingestion remain understudied.

**Bird toxicity**: PTFE pyrolysis gases are acutely fatal to pet birds at temperatures as low as 536 degrees F (280 degrees C). Budgerigars, cockatiels, and parrots are most vulnerable. Death can occur within 17-27 minutes of exposure. This is well-documented in veterinary literature and not a marginal risk - it's a primary safety concern for bird-owning households.

**No cancer link for PTFE itself**: Unlike PFOA (the manufacturing processing aid), PTFE the polymer has no established association with cancer, thyroid disruption, or endocrine interference. The WHO/IARC Group 1 carcinogen classification applies to PFOA, not PTFE.

**GenX concerns**: Modern PTFE manufacturing uses GenX (HFPO-DA) as a replacement for PFOA. GenX has emerging toxicity data - EPA detected it in drinking water near manufacturing plants, and North Carolina communities near the Chemours facility have been contaminated. GenX is covered under EPA's 2024 drinking water rule.

## Regulatory Status

**US Federal**: PTFE is FDA-approved for food contact under 21 CFR 177.1550 (Perfluorocarbon resins). The EPA classifies PTFE as a PFAS under TSCA Section 8(a)(7) reporting requirements, but regulatory actions (drinking water limits, Superfund designations) target mobile PFAS like PFOA/PFOS, not the stable polymer.

**US States**: Minnesota banned PFAS in nonstick cookware effective January 2025 - the first state to do so, using broad "intentionally added PFAS" language that captures PTFE. Colorado and Maine follow in January 2026. Vermont and Connecticut push bans to 2028. California's comprehensive PFAS cookware bill was vetoed by Governor Newsom in October 2025.

**EU**: The European Chemicals Agency (ECHA) is evaluating a sweeping PFAS restriction under REACH that explicitly includes fluoropolymers like PTFE. Denmark, Germany, Netherlands, Norway, and Sweden submitted the proposal. ECHA aims to finalize scientific opinions by end of 2026, with a Commission decision likely in 2027-2028. If adopted, PTFE cookware faces potential restriction in the EU.

**California Prop 65**: PTFE itself is not listed. PFOA (the former processing aid) is listed.

**PFOA Stewardship Program**: EPA's 2006-2015 program required all major manufacturers to eliminate PFOA from production. All complied. PTFE manufactured after 2013 should contain no PFOA residue.

**Marketing claims**: "PFOA-free" is a low-bar claim - virtually all modern PTFE cookware qualifies because PFOA was eliminated industry-wide by 2015. "PTFE-free" is a meaningful claim but has no federal legal definition. NSF 537 (launched March 2025) is currently the most credible third-party PFAS-free certification for food equipment.

## Label Guide

**Look for:**
- PTFE-free AND PFAS-free (both terms together on cookware or air fryers)
- Ceramic coating with explicit PFAS-free statement (GreenPan Thermolon, Caraway)
- Stainless steel - inherently PTFE-free, no coating to degrade
- Cast iron or carbon steel - naturally PTFE-free when properly seasoned
- MADESAFE certified - explicitly screens for PFAS including PTFE
- NSF 537 PFAS-free certification (food equipment, launched 2025)
- Pure ceramic (not ceramic-coated) - Xtrema is the leading brand

**Avoid / misleading:**
- PFOA-free without PTFE-free - excludes one processing chemical, not the coating itself
- Non-stick with no coating material specified - assume PTFE until proven otherwise
- Diamond, granite, titanium, or marble nonstick - these are PTFE with mineral branding
- Teflon-free without PTFE-free - Teflon is a brand name; generic PTFE from other manufacturers still applies
- Non-toxic - legally unregulated term; does not mean PTFE-free or PFAS-free

## Look For Instead

- Ceramic nonstick (GreenPan Thermolon, Caraway) - PFAS-free silica coating
- Stainless steel (All-Clad, Demeyere, Made In) - no coating to degrade
- Cast iron (Lodge, Victoria, Smithey) - naturally nonstick when seasoned
- Carbon steel (de Buyer, Matfer Bourgeat) - lightweight, seasons like cast iron
- Pure ceramic (Xtrema) - fully inert, no coatings
- Enameled cast iron (Staub, Le Creuset) - glass-like coating, PTFE-free

## Who Is At Risk

- Pet bird owners - PTFE fumes are acutely lethal to parrots, cockatiels, budgies, and other birds at temperatures as low as 536 degrees F; death can occur within minutes
- People with asthma or chronic lung disease - polymer fume fever symptoms are more severe; repeated exposure may worsen underlying conditions
- Families who cook on high heat regularly - searing, stir-frying, and empty preheating push temperatures into the PTFE degradation zone
- Households using scratched or damaged nonstick cookware - compromised coatings release more particles and off-gas at lower temperatures
- Air fryer users - enclosed cavity and fan circulation concentrate any released fumes; basket temperatures can spike above set points during preheating

## Common Triggers In Products

- Preheating empty nonstick cookware on high heat
- Searing or stir-frying above 500 degrees F in nonstick pans
- Running air fryers at maximum temperature without food
- Using metal utensils that scratch PTFE coating
- Continuing to use visibly scratched or flaking nonstick cookware

## Product Categories To Avoid

- Nonstick frying pans and skillets with PTFE coating
- Air fryer baskets with fluoropolymer nonstick coating
- Nonstick bakeware (muffin tins, cookie sheets) used at high temperatures
- Cookware sets marketed as 'diamond,' 'granite,' or 'titanium' nonstick (PTFE base)

## What Helps

The most effective step is switching to PTFE-free cookware for high-heat cooking. Ceramic nonstick, stainless steel, cast iron, and carbon steel are all proven alternatives with no fluoropolymer risk. If keeping existing PTFE pans, stay under medium heat (400 degrees F), never preheat empty, ventilate your kitchen, and replace at the first sign of coating damage. For air fryers, choose models with ceramic or stainless steel baskets - or use a countertop convection oven that avoids coated baskets entirely.

## When To See A Doctor

Seek medical attention if you experience persistent chest tightness, difficulty breathing, or high fever after cooking with nonstick cookware at high temperatures. These may be signs of polymer fume fever from PTFE degradation. Symptoms typically resolve within 24 hours, but severe or prolonged respiratory distress warrants evaluation, especially for people with asthma or underlying lung conditions.

## How To Verify

For cookware and air fryers: contact the manufacturer directly and ask whether the product uses PTFE, fluoropolymer, or any PFAS-based coating. Brands that are genuinely PTFE-free (Caraway, GreenPan, Xtrema, Lodge) typically state it clearly. For third-party verification, look for MADESAFE certification or NSF 537 PFAS-free certification. Consumer Reports has published independent PFAS testing results for several cookware brands.

## Timeline

- **1938:** PTFE Discovered — DuPont chemist Roy Plunkett accidentally discovers polytetrafluoroethylene while working with refrigerant gases.
- **1945:** Teflon Commercialized — DuPont registers the Teflon trademark and begins commercial production of PTFE for industrial applications.
- **1960s:** Nonstick Cookware Boom — PTFE-coated cookware enters mainstream consumer markets. Teflon becomes synonymous with nonstick cooking.
- **2004:** EPA Sues DuPont — EPA files enforcement action against DuPont for concealing evidence that PFOA - the processing aid used to manufacture PTFE - was contaminating water and causing health harm.
- **2006-2015:** PFOA Phased Out — EPA's PFOA Stewardship Program requires 8 manufacturers to eliminate PFOA from production. All comply by 2015. PTFE cookware made after this period is PFOA-free.
- **2015:** Chemours Spun Off — DuPont spins off its fluoropolymer business as The Chemours Company. Chemours inherits Teflon brand and begins using GenX as PFOA replacement.
- **2023:** EU PFAS Restriction Proposed — Five EU nations submit a comprehensive PFAS restriction under REACH that explicitly includes fluoropolymers like PTFE in cookware.
- **2025:** State Cookware Bans Begin — Minnesota becomes the first US state to ban PFAS (including PTFE) in nonstick cookware. Colorado and Maine follow in 2026.

## Why PTFE Matters Most in Cookware and Air Fryers

Cookware and air fryers are the only product categories where PTFE is heated to temperatures that cause degradation. In other applications (dental floss, clothing), PTFE stays well below its decomposition threshold. The combination of high heat, enclosed cooking spaces, and daily family use makes the kitchen the primary context for PTFE safety decisions.

## What This Does Not Cover

This page covers PTFE as a cookware and consumer product coating. It does not cover industrial PTFE applications (gaskets, seals, wire insulation), PTFE in medical devices (which are regulated separately by the FDA), or the broader PFAS contamination of drinking water and the environment - see our PFAS guide for those topics.

## R3 Bottom Line

- PTFE is safe at normal cooking temperatures but breaks down above 500 degrees F - never preheat an empty nonstick pan or air fryer basket
- If you own pet birds, remove all PTFE cookware from your home immediately - the fumes are lethal to birds at temperatures your kitchen regularly reaches
- Read 'PFOA-free' as a historical footnote, not a safety guarantee - the label doesn't tell you whether PTFE or GenX are still present
- For high-heat cooking, switch to stainless steel, cast iron, carbon steel, or verified ceramic nonstick - these eliminate the fume risk entirely
- Replace any nonstick pan or air fryer basket with visible scratches, chips, or flaking - damaged PTFE coatings release more particles and degrade at lower temperatures

## FAQ

### Is PTFE the same as Teflon?

Yes - Teflon is DuPont's (now Chemours') brand name for PTFE. Other manufacturers produce identical PTFE coatings under different names (Fluon by AGC, Polyflon by Daikin), but the chemical is the same polytetrafluoroethylene polymer. Any nonstick pan using a fluoropolymer coating is using PTFE regardless of what the brand calls it.

### Is PTFE a PFAS chemical?

Technically yes. PTFE qualifies as a PFAS under EPA and OECD structural definitions because it contains carbon-fluorine bonds. However, PTFE behaves very differently from the small-molecule PFAS (like PFOA and PFOS) that contaminate water and accumulate in blood. PTFE is a large, inert polymer that doesn't dissolve, isn't bioavailable, and passes through the body unchanged. The health concern isn't PTFE accumulating in your blood - it's what happens when PTFE overheats and breaks down.

### At what temperature does PTFE become dangerous?

PTFE begins off-gassing at 500 degrees F (260 degrees C), with meaningful toxic fume release starting at 572 degrees F (300 degrees C). Above 680 degrees F (360 degrees C), it releases hydrogen fluoride and PFIB - compounds that can cause serious lung damage. An empty nonstick pan on a burner can reach 500 degrees F in under 5 minutes. For context, most searing and stir-frying happens at 400-500 degrees F, right at the lower threshold.

### Can Teflon give you cancer?

PTFE (the Teflon polymer) has no established link to cancer. The confusion comes from PFOA - a processing chemical formerly used to manufacture PTFE - which the WHO classified as a Group 1 carcinogen in 2023 with links to kidney and testicular cancer. All PTFE cookware made after 2013-2015 is PFOA-free. The real health risk from PTFE itself is polymer fume fever from overheating, not cancer.

### Why does Teflon kill birds?

PTFE degradation fumes are acutely toxic to birds because of their unique respiratory anatomy - birds extract oxygen far more efficiently than mammals, which means they also absorb airborne toxins much faster. PTFE pyrolysis gases (released above 536 degrees F / 280 degrees C) cause pulmonary hemorrhage and fluid accumulation in birds, leading to death within 17-27 minutes in documented cases. Budgerigars, cockatiels, and parrots are most sensitive. Veterinarians recommend removing all PTFE cookware from bird-owning households.

### Is ceramic cookware safer than Teflon?

True ceramic sol-gel coatings (like GreenPan's Thermolon or Caraway's coating) are PTFE-free and PFAS-free by chemical structure - they're silica-based with no fluoropolymer component. Consumer Reports tested GreenPan products and found no detectable PFAS. The trade-off is durability: ceramic coatings typically last 1-3 years versus 3-5 for PTFE. Pure ceramic cookware (like Xtrema) is fully inert but handles differently from nonstick.

### What does PFOA-free actually mean on cookware?

It means one specific processing chemical - perfluorooctanoic acid - wasn't used to manufacture the product. Since PFOA was eliminated industry-wide by 2015, virtually all modern cookware qualifies as PFOA-free. The label doesn't tell you whether the pan contains PTFE (it almost certainly does) or whether replacement processing aids like GenX are present. 'PFOA-free' is factually accurate but practically meaningless as a safety indicator. Look for 'PTFE-free AND PFAS-free' together.

### Should I throw away my nonstick pans?

Pans manufactured before 2013 may contain PFOA residue and should be retired, especially if the coating is damaged. For post-2015 PTFE pans in good condition, the risk at normal cooking temperatures (under 400 degrees F) is low. Replace any pan with visible scratching, chipping, or flaking immediately. If you cook on high heat regularly, own pet birds, or want to eliminate the risk entirely, switching to stainless steel, cast iron, or ceramic nonstick is the practical solution.

### Are air fryers with PTFE coating safe?

Air fryers present a higher risk context than stovetop pans because: (1) the enclosed cavity concentrates any released fumes, (2) the high-speed fan distributes particles throughout the cooking chamber, and (3) basket surface temperatures can spike above the set temperature during preheating. If your air fryer uses a PTFE-coated basket, never run it empty, stay at or below 400 degrees F when possible, and replace the basket if the coating shows any wear. For a PTFE-free option, look for ceramic-basket models or stainless steel countertop ovens.

### Is it safe to use scratched Teflon pans?

No. Scratched or flaking PTFE coatings release more particles into food and degrade at lower temperatures. While ingested PTFE particles are considered inert (they pass through your digestive tract), the exposed substrate beneath the coating may contain aluminum, and the compromised surface off-gasses more readily during cooking. Replace any nonstick pan showing visible coating damage.

## Sources

- [PTFE-coated non-stick cookware and toxicity concerns: a perspective](https://pubmed.ncbi.nlm.nih.gov/28913736/) — *PubMed / Critical Reviews in Food Science and Nutrition* (2017)
- [Polymer Fume Fever - StatPearls](https://www.ncbi.nlm.nih.gov/books/NBK594276/) — *NCBI / National Library of Medicine* (2024)
- [Protect Yourself from Teflon Flu](https://www.poison.org/articles/teflon-flu) — *Poison Control (poison.org)* (2023)
- [21 CFR 177.1550 - Perfluorocarbon Resins](https://www.ecfr.gov/current/title-21/chapter-I/subchapter-B/part-177/subpart-B/section-177.1550) — *U.S. Government Publishing Office / FDA* (2024)
- [The Teflon chemical PTFE is often touted as a safe cousin of toxic PFAS. But is it really?](https://chemsec.org/the-teflon-chemical-ptfe-is-often-touted-as-a-safe-cousin-of-toxic-pfas-but-is-it-really/) — *ChemSec* (2023)
- [Fact Sheet: 2010/2015 PFOA Stewardship Program](https://www.epa.gov/assessing-and-managing-chemicals-under-tsca/fact-sheet-20102015-pfoa-stewardship-program) — *U.S. Environmental Protection Agency* (2015)
- [ECHA Publishes Updated PFAS Restriction Proposal](https://www.echa.europa.eu/-/echa-publishes-updated-pfas-restriction-proposal) — *European Chemicals Agency (ECHA)* (2025)
- [PFAS in Cookware: State-by-State Regulations](https://www.bclplaw.com/en-US/events-insights-news/pfas-in-cookware-state-by-state-regulations.html) — *Bryan Cave Leighton Paisner (BCLP)* (2025)
- [No adverse health effects from cookware with PTFE non-stick coating](https://www.bfr.bund.de/en/service/frequently-asked-questions/topic/selected-questions-and-answers-on-cookware-ovenware-and-frying-pans-with-a-non-stick-coating-made-of-ptfe/) — *German Federal Institute for Risk Assessment (BfR)* (2023)
- [Teflon (Polytetrafluoroethylene) Poisoning in Birds](https://vcahospitals.com/know-your-pet/teflon-polytetrafluoroethylene-poisoning-in-birds) — *VCA Animal Hospitals* (2023)
- [You Can't Always Trust Claims on 'Non-Toxic' Cookware](https://www.consumerreports.org/toxic-chemicals-substances/you-cant-always-trust-claims-on-non-toxic-cookware-a4849321487/) — *Consumer Reports* (2023)
- [Best Frying Pans If You Want to Avoid PFAS Chemicals](https://www.consumerreports.org/home-garden/cookware/best-frying-pans-if-you-want-to-avoid-pfas-chemicals-a1006253549/) — *Consumer Reports* (2025)
- [First-in-Nation Ban on PFAS in Cookware Signed by Minnesota Governor](https://www.saferstates.org/press-room/first-in-nation-ban-on-pfas-forever-chemicals-in-menstrual-products-cleaning-ingredients-cookware-and-dental-floss-signed-by-minnesota-governor-today/) — *Safer States* (2023)
- [Canaries in the Kitchen: Teflon Toxicosis](https://www.ewg.org/research/canaries-kitchen) — *Environmental Working Group (EWG)* (2003)

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Source: https://www.r3recs.com/learn/ingredients/ptfe-teflon
Methodology: https://www.r3recs.com/methodology/how-we-score-products