FINEX Cast Iron Skillet 12"

"Forever chemicals" is the plain-language name for [PFAS](/learn/ingredients/pfas) - a class of more than 10,000 synthetic compounds built on an unbreakable carbon-fluorine bond. Coined in 2018 by Harvard researcher Joseph Allen, the term captures the single most important fact about these chemicals: they don't break down. Not in soil, not in water, not in the human body. They accumulate over a lifetime in blood and organs, and they're now found in rainwater on every continent - including the Arctic.

A marketing label stating a product does not use DuPont/Chemours' branded Teflon coating. Technically accurate - Teflon is a registered trademark, and brands without a Chemours license cannot use the name. The problem: Teflon is simply a brand name for PTFE, and a product can be 100% Teflon-free while still being coated in the exact same chemical. 'Teflon-free' does not mean PTFE-free, and it certainly does not mean PFAS-free. It is one of the most effective pieces of misdirection in the cookware marketing playbook.

A marketing label applied to cookware, air fryers, and frying pans to suggest the cooking surface is made from ceramic material rather than [PTFE (Teflon)](/learn/ingredients/ptfe-teflon). The claim is unregulated -- "ceramic nonstick" has no legal definition in the United States, no required compositional test, and no government body verifies it before a brand prints it on a box. True ceramic sol-gel coatings are [PFAS](/learn/ingredients/pfas)-free by chemistry. But some products marketed as ceramic are hybrid PTFE formulations with mineral branding added for marketing. Knowing the difference is how you separate genuinely safer cookware from an expensive rebrand.