Microplastics in Ice Cream: Cartons, Cones, and Cold Plastic

Elise MarenScience Editor, Research & Chemistry

May 5, 2026

7 min read

Microplastics in ice cream from cartons, tubs, and cone wrappers

Last updated: May 25, 2026

Quick Answer

Ice cream contains microplastics from three main sources: the polyethylene-lined paperboard carton (almost every supermarket pint and quart), plastic tubs for store-brand half-gallons, and plastic-coated cone sleeves. Cold doesn't protect against leaching — particles release through physical contact and abrasion during shipping, freezing-thaw cycles, and scooping. Glass-jarred artisan ice cream, hand-packed scoops in a paper cup, or homemade in glass is the lowest-microplastic option.

Key Takeaways

Every common ice-cream carton has an inner polyethylene (PE) plastic liner — paperboard alone would dissolve from the moisture.
Plastic tubs (HDPE #2 or PP #5) are even higher direct-contact exposure than PE-lined paperboard.
Cone sleeves are typically polypropylene-coated paper; the cone itself usually doesn't add plastic if it's a pure wafer or sugar cone.
Freezing does not stop leaching — particles release physically through abrasion and freeze-thaw stress cycles.
Hand-scooped in a paper cup or homemade in a glass container is the cleanest option.

Why “paperboard” ice cream cartons aren't paper

The classic round pint or quart ice cream carton looks like waxed paper, but it's actually paperboard with a thin layer of polyethylene (LDPE or HDPE) bonded to the inside. Without the plastic liner, the paper would absorb moisture from the ice cream and disintegrate within hours. That liner sits in direct contact with the ice cream for the entire shelf life — typically 6–12 months.

Plastic tubs (the rectangular half-gallon and gallon containers) are even more direct — typically HDPE #2 or polypropylene #5 with no paper at all. More plastic surface area means more particle transfer over time.

Does cold protect against leaching?

Heat is the biggest accelerator of plastic-to-food chemical leaching, so ice cream is better than hot food in this regard. But physicalparticle release happens through abrasion (scooping, scraping), freeze-thaw stress (each time the carton softens slightly during a counter pause), and the long contact time itself. Studies of frozen food contact materials consistently find low but measurable microplastic transfer.

Ice cream formats compared

Ice cream packaging by microplastic exposure
Format	Relative exposure	Why
Hand-scooped in paper cup at a creamery	Lowest	No long-term plastic storage contact
Glass-jarred artisan ice cream	Low	Glass is inert; metal lid only
Homemade ice cream in glass container	Lowest	Full ingredient and container control
Pint in PE-lined paperboard carton (Ben & Jerry's, Häagen-Dazs)	Moderate	PE liner contact 6-12 months; freeze-thaw cycles
Plastic tub half-gallon (store brand)	Higher	Larger plastic surface; HDPE/PP wall contact
Single-serve plastic cups (with plastic spoon)	Higher	High surface-area-to-volume + plastic utensil
Ice cream sandwich (plastic-wrapped)	Moderate	Plastic wrap contact with cookie surface
Soft-serve from plastic dispenser machine	Moderate-high	Plastic internal tubing; hot-sanitized parts

The plastic spoon issue

Single-serve ice cream cups often come with a small plastic spoon included. The spoon is typically polystyrene (#6) or polypropylene (#5), and it spends 10–20 minutes in direct contact with cold ice cream that you scrape, twist, and apply pressure to with your mouth. A wooden or stainless-steel spoon eliminates this source entirely.

Practical changes

Go to a creamery for a hand-scooped cone or paper-cup servingwhen you can. Best of all worlds.
Choose glass-jarred ice cream — Jeni's, McConnell's, Salt & Straw (in some markets), Van Leeuwen, and most farm-to-table brands offer glass options.
Prefer pint cartons over plastic tubs — the paperboard-with-PE-liner is meaningfully less plastic surface than a full plastic tub.
Transfer to a glass container at home if you buy a big tub — pre-portion into glass jars and refreeze.
Use a wooden or stainless spoon, never the plastic spoon included with single-serves.
Make ice cream at home — a simple no-churn recipe in a glass loaf pan needs just cream, condensed milk, and your flavour of choice.
Skip flexible ice-pop sleeves (Otter Pops, etc.) — the plastic film stays in contact with the ice for months.

What the MicroPlastics app checks

Packaging material — PET, HDPE, PP, PS, multi-layer, glass, aluminum.
Container condition from the photo — scratches, dents, fade.
Product category — fresh, packaged, canned, frozen, takeout.
Use-context flags you log — microwave, heat, reuse, time stored.
Cited research behind the 0–100 risk score.

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Frequently Asked Questions

Does ice cream contain microplastics?

Yes. Ice cream picks up microplastics from polyethylene-lined paperboard cartons, plastic tubs, single-serve plastic cups, and plastic spoons. Freezing does not prevent particle release through abrasion and freeze-thaw cycles.

Are paperboard ice cream cartons safe?

Paperboard cartons are lined with low-density polyethylene (LDPE) to prevent the paper from disintegrating. The PE liner is in direct contact with the ice cream for the entire shelf life and releases low but measurable microplastic over time.

Is glass-jarred ice cream lower in microplastics?

Yes. Glass is chemically inert and does not leach microplastics or release particles. Brands like Jeni's, McConnell's, and Van Leeuwen offer glass-jarred options. Only the lid contains some plastic, with minimal direct contact.

Is plastic-tub ice cream worse than carton ice cream?

Generally yes. Plastic tubs (HDPE #2 or PP #5) have more plastic surface area in contact with ice cream than PE-lined paperboard cartons. Both leach, but tubs contribute more particles per gram of ice cream.

Are plastic spoons included with ice cream safe?

Single-serve ice cream spoons are typically polystyrene (#6) or polypropylene (#5). They contact cold ice cream and your mouth during eating. Replace with a wooden or stainless-steel spoon to eliminate this source.

Sources

Hussain KA, Romanova S, Okur I, et al. (2023). Assessing the release of microplastics and nanoplastics from plastic containers and reusable food pouches. Environmental Science & Technology.
European Food Safety Authority (2016). Presence of microplastics and nanoplastics in food, with particular focus on seafood. EFSA Journal.
Da Costa Filho PA, Andrey D, Eriksen B, et al. (2021). Detection and characterization of small-sized microplastics in milk products. Scientific Reports.
IARC Working Group (2019). Styrene, Styrene-7,8-oxide, and Quinoline (IARC Monograph 121). International Agency for Research on Cancer.

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