PFAS25/ 100Poor
Overall11/ 100Bad
Act II Microwave Popcorn Xtreme Butter

ACT II · Microwave Popcorn

Act II Microwave Popcorn Xtreme Butter

Poor

Skip until grease-barrier ingredient disclosed by brand.

Verdict · SkipPFAS in grease coating is primary concern; no other established hazards on record, but brand silence on barrier chemistry warrants caution.

Microwave popcorn bags use grease-resistant coatings commonly associated with PFAS. Act II does not disclose the coating composition or PFAS status.

The better-graded swap

2 Packs Trader Joe's Synergistically Seasoned Popcorn 5.5 Oz Each Pack

Trader Joe's

2 Packs Trader Joe's Synergistically Seasoned Popcorn 5.5 Oz Each Pack

70/100 safety

70Good

Same rubric that flunked this product. The swap earned Good.

Still want this one anyway? Check the price on Amazon. We’d swap it.

Material

paper/paperboard bag with grease-resistant coating

Brand disclosure

Brand is silent on PFAS

Lab data

No public lab test

What Act II Microwave Popcorn Xtreme Butter is made of, ingredients and materials

Act II Xtreme Butter comes in a paper/paperboard microwave bag lined with a grease-resistant coating to prevent butter oil from saturating the paper during heating. The specific chemistry of that coating is not disclosed by the brand. Microwave popcorn bags are heated to temperatures around 350°F (175°C), which can accelerate migration of coating components into food if fluorinated compounds or other synthetic polymers are present.

What’s concerning

♾️

Waterproof / stain-resistant treatment

Water-repellent coating treatments have historically used PFAS.

65/ 100
♾️

Category baseline

The starting point for this type of product, before anything specific to this product is counted.

75/ 100
♾️

No PFAS disclosure

No public statement from the brand about PFAS in this product.

85/ 100
🍳

Grease-barrier coating (unidentified chemistry)

PFAS compounds in microwave popcorn bag linings are well-documented in peer-reviewed research and regulatory filings. Act II has not disclosed whether its barrier coating contains PFAS or substitutes; the specific risk cannot be quantified without that information.

45/ 100
🍳

Mineral oil or hydrocarbon residue in coating

Some grease-resistant coatings use mineral oil or alkane polymers as alternatives or additives. No testing or disclosure on record for this product; standard food-contact regulations do not prohibit these, but migration under heat is theoretically possible.

70/ 100

What’s reassuring

✅

Ink or adhesive compounds in printing

No specific safety issues reported for Act II popcorn bag inks or adhesives. Standard food packaging regulations apply; direct food contact is minimal because the bag interior is lined, not printed.

95/ 100
✅

Dioxins or combustion byproducts from bleaching or processing

Paper and paperboard used in food packaging are subject to FDA chlorine residue limits. No recalled or reported contamination of Act II bags on this basis.

95/ 100
🫧

Microplastics

The bag coating may degrade slightly under repeated or extreme heating, but Act II bags are single-use and no documented evidence of coating fragmentation entering the popcorn has been reported.

Source, EPA ↗
95/ 100

The full breakdown

The brand's record and disclosure

Act II (owned by ConAgra) has not publicly disclosed the identity or safety profile of the grease-barrier coating in this product. No PFAS phase-out or reformulation announcement is on record for this brand's microwave popcorn line. The company has not sought third-party certifications (such as FDA GRAS status for the coating) that would be typical for transparency-leading competitors.

How it compares in its category

Most major microwave popcorn brands (including Orville Redenbacher, Jolly Time, and store brands) use similar fluorinated or oleophobic coatings on the interior bag surface; disclosure varies widely. Some competitors have begun exploring PFAS-free alternatives, though widespread market transition has not occurred. Act II's silence on this chemistry is less transparent than brands offering third-party safety data or committed reformulation timelines.

If you buy it

Follow microwave heating instructions precisely; do not overheat, as extended heat exposure may increase coating migration. Store unopened bags in a cool, dry place away from direct sunlight. Once prepared, transfer popcorn to a separate container; do not store uneaten popcorn in the bag. Consider alternating with popcorn prepared by air-popping or stovetop methods to reduce cumulative microwave bag exposure if this is a frequent snack.

What we don’t know

Basis
Model estimate, 52% confidence, not a lab result
Lab test
None on record for this exact product
Brand statement
ACT II has made none

Formulations change between production runs, so check the current label. How we grade.

Better-graded alternatives in Microwave Popcorn

Quaker Butter Popcorn Rice Cakes

Quaker

Butter Popcorn Rice Cakes

70GoodPFAS grade
  • puffed rice cakes in paperboard packaging
  • We found no PFAS statement from the brand
  • Mold or bacterial growth in packaging
2 Packs Trader Joe's Synergistically Seasoned Popcorn 5.5 Oz Each Pack

Trader Joe's

2 Packs Trader Joe's Synergistically Seasoned Popcorn 5.5 Oz Each Pack

70GoodPFAS grade
  • paperboard popcorn bag, grease-resistant interior lining
  • We found no PFAS statement from the brand
  • Moisture and mold risk if bag is compromised
Wabash Valley Farms Sweet

Wabash Valley

Farms Sweet

70GoodPFAS grade
  • paper-based food packaging with standard coating
  • We found no PFAS statement from the brand
  • Ink migration (printing on exterior or interior)

3 hazards checked on this product. See all of them.

More microwave popcorn grades

How we score, every product runs through the same public 0-100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.