If you've swapped out your non-stick pans, good. That's a solid first step. But PFAS — the "forever chemicals" everyone's talking about — aren't just in your cookware. They're in places most people never think to look, and your kitchen is full of them.
Quick Refresher: What Are PFAS and Why Should You Care?
Per- and polyfluoroalkyl substances are a family of thousands of synthetic chemicals built around carbon-fluorine bonds — one of the strongest bonds in chemistry. That strength is exactly the problem: these chemicals don't break down. Not in the environment. Not in your body. They accumulate in your blood over years and decades.
PFAS have been linked to kidney and testicular cancer, thyroid disease, immune system suppression (including reduced vaccine effectiveness), liver damage, and reproductive issues. The EPA found that virtually no level of certain PFAS in drinking water is safe, setting health advisory levels at near zero in 2022.
They're called "forever chemicals" because that's what they are. Once they're in you, they stay for years.
Where PFAS Are Hiding in Your Kitchen
Microwave Popcorn Bags
The inside of microwave popcorn bags is typically coated with PFAS to resist grease. When you microwave the bag, those chemicals can migrate into the food — especially at high temperatures. Studies have found PFAS in the popcorn itself, not just the packaging. Pop your corn on the stovetop or use a silicone microwave popper instead.
Pizza Boxes and Fast Food Wrappers
That grease-resistant coating on your pizza box? PFAS. Burger wrappers, sandwich papers, french fry containers — a 2017 study published in Environmental Science & Technology Letters tested over 400 fast food packaging samples and found PFAS in 46% of food contact papers and 20% of paperboard samples. You can't control what restaurants use, but you can transfer leftovers to glass containers instead of storing food in the box.
Parchment Paper
Not all parchment paper contains PFAS, but some bleached and non-stick varieties do. The silicone coating on quality parchment paper is fine — the concern is with cheaper brands that use fluorinated coatings for non-stick properties. Look for unbleached parchment paper from brands that explicitly state they're PFAS-free. If Stuff Kin has a brand preference, use it here.
Non-Stick Bakeware
Cookie sheets, muffin tins, cake pans — if they have a dark non-stick coating, they likely contain PFAS or PTFE. These get scratched up over time and leach chemicals into food, especially at baking temperatures. Stainless steel or uncoated aluminum bakeware with a light brush of oil works just as well.
"Eco-Friendly" Compostable Containers
This one stings. Some molded fiber containers marketed as compostable and eco-friendly use PFAS for grease resistance. The irony of putting forever chemicals in "earth-friendly" packaging is not lost on anyone paying attention. A 2020 study found PFAS in many compostable food containers at levels of concern. Look for containers that are explicitly certified PFAS-free.
Practical Swaps
You don't need to overhaul your kitchen overnight. Focus on the things that touch your food directly and frequently:
Cookware: Stainless steel, cast iron, or enameled cast iron. Stainless steel is the most versatile — once you learn to preheat the pan and use enough oil, food releases cleanly. It lasts essentially forever.
Bakeware: Stainless steel sheet pans and muffin tins. Line with unbleached parchment paper from a trusted brand.
Food Storage: Glass containers with snap-on lids. Mason jars for everything else. Ditch plastic containers entirely if you can — even "BPA-free" plastic can leach other chemicals, especially when heated.
Popcorn: Stovetop or silicone microwave popper. Takes the same amount of time, tastes better, and you control the ingredients.
Parchment Paper: Unbleached, PFAS-free. Look for brands that specifically call this out.
Leftovers: Transfer takeout food to your own plates or glass containers immediately. Don't eat out of the packaging and definitely don't reheat in it.
The Bigger Picture
Individual kitchen swaps matter, but PFAS contamination is also a systemic issue. These chemicals are in drinking water across the country, in soil near military bases and manufacturing sites, and in the food supply. Filtering your water with a reverse osmosis or activated carbon system rated for PFAS removal is one of the highest-impact things you can do.
But start with your kitchen. It's the place where you have the most direct control over what enters your body.
Our Pick
The Cuisinart Stainless Steel 12" Skillet is our go-to recommendation for PFAS-free cooking. It's completely free of non-stick coatings, oven-safe to 500 degrees, and will outlast any non-stick pan by decades. Available in our Household recommendations.