Is PFOS Banned? EU vs US Status, Risks & Where It Hides
TL;DR: PFOS is banned in the EU but allowed in the US (pfas in packaging).
CAS 1763-23-1.
Other names: perfluorooctane sulfonate
Is PFOS banned in the EU?
| EU status | Banned |
|---|---|
| US status | Allowed |
| Risk level | high |
| Where it shows up | fast-food wrappers, microwave popcorn bags, molded fiber bowls, grease-resistant takeout containers |
| CAS number | 1763-23-1 |
What is PFOS?
PFOS is a long-chain PFAS used historically in food-contact coatings and stain repellents.
Why is PFOS used in food?
PFAS are used to make packaging grease-, water- and stain-resistant.
Is PFOS dangerous? Documented risks
PFAS are persistent 'forever chemicals' linked to cancer, immune and thyroid effects. The EU is phasing out PFAS in food-contact materials; several are banned, while US federal limits lag behind.
Common US products containing PFOS
- fast-food wrappers
- microwave popcorn bags
- molded fiber bowls
- grease-resistant takeout containers
How to avoid PFOS: safer alternatives
Choose PFAS-free packaging, avoid grease-resistant wrappers, and favor brands with PFAS-free pledges. BannedPantry flags packaging chemistries of concern.
Frequently asked questions about PFOS
Is PFOS banned in the EU?
Yes β PFOS is banned in the European Union, while it remains allowed for use in the United States.
Is PFOS allowed in the US?
PFOS is allowed in the United States. US regulators have not imposed the same restrictions that apply across the EU.
Why is PFOS a concern?
Independent reviews flag PFOS for documented health or environmental risks, which is why EU regulators acted while the US has not.
How do I avoid PFOS?
Choose certified-organic or EU-imported products, check labels, and scan barcodes with BannedPantry to flag PFOS instantly.
Scan any product's barcode and instantly see if it contains PFOS or other ingredients banned overseas.
Scan a product free βRelated pfas in packaging
Avoiding banned food additives? Check your beauty shelf, too.
Sources
- Chemicals in cosmetics β CHEM Trust
- EFSA food additives β EFSA
- FDA Food Additives β U.S. FDA
Our scores are never influenced by brands. Last updated 6/11/2026.