A pan is almost certainly PTFE-coated if it has a smooth, slightly slippery dark gray or black cooking surface, is light for its size, and is labeled 'non-stick' without 'PFAS-free' or 'sol-gel ceramic' certification. Stainless and cast iron are obvious by weight and appearance. Ceramic non-stick requires looking up the brand.
Pick up the pan. Here are five ways to tell what's in it, in order of confidence.
The brand label wore off. The box is gone. You're holding a pan and you need to know if it contains PTFE (the fluoropolymer coating linked to PFAS exposure). These five checks will tell you.
Look at the cooking surface. Each common coating has a distinct appearance.
PTFE coating: Smooth surface, dark gray to black, slight sheen. It feels almost wet to the touch when clean, even though it's dry. Run your finger across it – there's a characteristic slickness that nothing else matches.
Sol-gel ceramic: Also smooth but with a matte finish. Often white, cream, or colored (Caraway's pastel palette is the giveaway). Slightly textured if you drag a fingernail across it – not scratching the pan, just feeling for micro-texture that PTFE doesn't have.
Stainless steel: Shiny silver. Not coated. You can see brushed-finish striations under good light. Completely different visual from any non-stick coating.
Cast iron: Rough textured black surface. Heavy. You'll see seasoning patterns – uneven dark spots where oil has polymerized over time.
Hard-anodized aluminum: Dull gray-black. Hard but not slick. Looks more like stone than coating. Calphalon Classic is the common example, but Calphalon also makes PTFE-coated lines that look similar, so appearance alone isn't enough with that brand.
This gets you 70% of the way there. PTFE has a look. Once you've seen it, you recognize it.
Pick up the pan. PTFE-coated cookware is almost always aluminum-based, which means it's light.
PTFE-coated aluminum: A 10-inch skillet weighs 1-2 pounds. You can lift it with one finger.
Sol-gel ceramic on aluminum: Similar weight – 1-2 pounds.
Stainless steel tri-ply: Heavier. A 10-inch All-Clad or similar weighs 3-4 pounds. The steel core adds mass.
Cast iron: Heavy. A 10-inch <a href="/go/amazon-search?k=lodge+cast+iron+skillet" rel="nofollow sponsored">Lodge skillet</a> is 5-8 pounds. If you're asking "is this cast iron?" you already know the answer by the weight.
If a pan claims 'ceramic' or 'non-stick' AND weighs more than 3 pounds, it's not simple coated aluminum. It's likely tri-ply stainless with a coating, which is rare and usually from a brand that publishes detailed specs (like Zwilling or Demeyere). Those brands always label their materials clearly.
This one's quirky but useful. Drop a few drops of cold water on a clean, cool pan.
PTFE: Water beads up tightly. The droplets roll around like marbles. High surface tension – the water wants nothing to do with the coating.
Sol-gel ceramic: Water beads less perfectly. More spread. It evaporates slightly faster than on PTFE.
Stainless steel: Water flattens out. No beading at all. It just sits there.
This isn't definitive by itself, but it's a fast triage. If water beads tightly on a dark non-stick pan, you're almost certainly looking at PTFE.
If the brand name is still legible, look it up. Most manufacturers publish material specs online.
Search the brand's website for 'material composition' or 'safety information.' Look for these exact words:
If the product page says 'non-stick' without naming the material, assume PTFE. Brands proud of being PFAS-free always say so explicitly. <a href="/go/amazon-search?k=caraway+cookware" rel="nofollow sponsored">Caraway</a>'s product pages say 'ceramic-coated (non-toxic, PTFE-free, PFOA-free, PFAS-free, lead-free, cadmium-free)' in the first paragraph. <a href="/go/amazon-search?k=our+place+always+pan" rel="nofollow sponsored">Our Place</a> does the same. If a brand doesn't mention it, they're using PTFE.
Generic Amazon-import brands (the ones with five-letter names or ALL CAPS BRAND NAME)? Assume PTFE. They're not spending money on sol-gel ceramic coatings.
For premium brands, email or chat and ask: 'Is this product PTFE/PFAS-free, and can you share a third-party PFAS test certificate?'
Caraway, Our Place, and Xtrema send certificates on request, usually within 24-48 hours. T-fal, Cuisinart, and most legacy brands will confirm PTFE if you ask directly. They won't volunteer it, but they'll answer a specific question.
Generic Amazon brands typically don't respond. Take that as your answer.
If these checks don't yield a clear answer, assume it's PTFE.
The default of the cookware industry is fluoropolymer non-stick. Verifiable PFAS-free is the exception, not the rule. According to market research firm Grand View Research, PTFE-based coatings still account for roughly 65% of the global non-stick cookware market as of 2025.
If you can't prove it's PFAS-free, treat it as PTFE:
Enameled cast iron (Le Creuset, Staub): Easy to identify by weight and the colored exterior. The coating is enamel (porcelain fused to iron), not PTFE. PFAS-free.
Anodized aluminum (Calphalon Classic): The coating is aluminum oxide, not PTFE. PFAS-free. But Calphalon also makes PTFE-coated lines that look visually similar. Check the model number on the bottom of the pan and look it up.
Carbon steel (woks, Asian-style pans): Looks similar to cast iron but lighter. Seasoned with oil. PFAS-free.
Soapstone or stoneware bake pans: Natural stone. PFAS-free. Usually obvious by appearance and weight.
Here's how to decode cookware marketing:
'Non-stick' alone: PTFE 95% of the time.
'PFOA-free': Meaningless for PFAS-free determination. PFOA was banned in 2015, so every pan made after that is technically PFOA-free – including PTFE-coated ones. The PFAS category includes 15,000+ chemicals. PFOA is one.
'PTFE-free': Honest claim, usually accurate. Brands rarely lie about this because it's easily testable.
'PFAS-free' with no third-party data: Brand assertion only. Treat with skepticism unless the brand has a track record (Caraway, Xtrema, Our Place).
'PFAS-free' with SGS or Intertek certificate: Real verification. SGS Group and Intertek are accredited testing labs that screen for the full PFAS class.
'Sol-gel ceramic': Silica-based coating. PFAS-free if properly manufactured.
'Ceramic non-stick': Could be sol-gel OR ceramic-reinforced PTFE. You have to check. Some brands use 'ceramic' to describe a ceramic-look PTFE coating with ceramic particles mixed in. It's still PTFE.
When in doubt, switch to a verified PFAS-free pan. The guessing game isn't worth the exposure.
And if you're concerned about PFAS beyond your cookware, check your drinking water by zip code – cookware isn't the only source. The EPA's UCMR5 dataset shows PFAS contamination in public water systems across all 50 states. Most people don't know their water contains it until they look.
How can I tell if my pan is Teflon? Look for a smooth, dark gray or black non-stick coating and a 'non-stick' label. If the pan isn't stainless steel, cast iron, or enameled cookware, and it has a slick cooking surface, it's likely PTFE-coated (Teflon is one brand of PTFE). Light weight (1-2 lbs for a 10-inch skillet) is another strong indicator. When in doubt, assume PTFE unless the brand explicitly states otherwise.
Does dark color mean PTFE? Often yes – most PTFE coatings are dark gray to black. But anodized aluminum and seasoned carbon steel are also dark and are PFAS-free. Check the weight and texture. PTFE feels slick and slightly 'wet' even when dry. Anodized aluminum has a harder, more stone-like texture. Carbon steel and cast iron have visible texture and are much heavier.
What if there's no label on my pan? Assume PTFE if you're uncertain. That's the cookware industry default. PTFE-based non-stick accounts for roughly 65% of the global market. Brands that use PFAS-free coatings almost always label them prominently because it's a selling point. No label usually means PTFE.
Can I test cookware for PFAS at home? No. XRF screening or lab testing costs $200+ and requires sending the pan to a certified lab like SGS or Intertek. The practical answer is to follow the five checks in this guide and assume PTFE if you're unsure. Then treat the pan accordingly or replace it with verified PFAS-free cookware.