The Chemical Lining in Your Microwave Popcorn Bag

The popcorn might be fine. The bag is another story.

Microwave popcorn is a snack with a packaging problem.

Grease-proofing chemistry

Many popcorn bags are lined with PFAS — "forever chemicals" used to keep grease from soaking through. Under microwave heat, some of that lining can migrate into the popcorn and the oil. PFAS are called "forever" because they build up and don't break down easily in the body.

The flavor layer

Then there's the buttery coating, which has historically leaned on artificial flavor compounds. The popcorn itself is a whole grain — it's everything wrapped around it that's the issue.

The move

Skip the bag. Air-pop kernels, or microwave plain kernels in a glass bowl with a plate on top. Add your own butter and salt. Same snack, none of the lining.

Ask kiiwii

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