Is PFOA the same as PFAS?

PFOA is one member of the PFAS family. PFAS is the broader group.

Are all nonstick pans made with PFAS?

Not necessarily. Coatings differ by maker, so check the product's description or the manufacturer's site.

Where can I read the official information?

The EPA and CDC both publish PFAS pages.

What Are PFAS? A Plain-English Answer

PFAS is short for per- and polyfluoroalkyl substances, a large group of synthetic chemicals that have been used in many consumer and industrial products, including nonstick coatings. The U.S. Environmental Protection Agency (EPA) maintains pages explaining the group and its uses.

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What the name covers

PFAS is not a single chemical. It is a family with a very large number of members, which share a strong carbon and fluorine bond. That bond is why these substances resist heat, water and grease, and it is also why they are described as long-lasting in the environment.

You may see PFOA and PFOS mentioned in the news. These are two well-known members of the family, and the EPA discusses them separately from the wider group.

Because the group is so large, a claim about one chemical does not automatically cover the others. When a brand says a product avoids certain substances, check whether it names them or refers to the whole family, and read the maker's own explanation for how it defines the claim.

Where they have been used

According to the EPA, PFAS have been used in a range of products, including nonstick cookware coatings, stain- and water-resistant treatments, and some food packaging and firefighting foams. Not every product in those categories contains them, and formulations change over time.

Nonstick cookware and bakeware coatings.
Stain- and water-repellent fabric and carpet treatments.
Some food packaging and wrappers.

What to read for health information

This page does not make health claims. For what is known about exposure and health, see the EPA's PFAS pages and the Centers for Disease Control and Prevention (CDC) resources on PFAS. Both are updated as research and regulations change.

Common misunderstandings

A frequent mix-up is treating PFAS as a single ingredient you can look for on a label. Most packages never list it, because the term describes a class of chemicals, and coatings are often named by brand or by general type instead. Another mix-up is assuming that older and newer products are the same. Manufacturers have changed formulations over the years, and the EPA pages describe how its approach to the group has developed, so current official pages are a better guide than memory.

If the question matters to you, the most reliable step is to read the maker's product page and any statement about coatings, and to contact the company when the page is silent.

What shoppers can do

A label such as PFAS-free is a brand claim, so look at what the maker says it covers and whether it names the coating. If you are choosing cookware, our PFAS-free cookware guide explains what to look for, and the cast iron comparison covers coating-free options.

Sources

U.S. EPA PFAS information pages
CDC PFAS resources

What are PFAS?

At a glance