What ingredient names on a skincare label are secretly microplastics?
Acrylates copolymer, nylon-12, polyethylene, PMMA, and carbomer are common microplastic ingredients hiding in plain sight.
What's actually in it
Many creams feel silky because of synthetic polymers, not actually skin-friendly oils. The polymers also hold the formula together. Common ones to spot on the back label include acrylates copolymer, nylon-12, polyethylene, polymethyl methacrylate (PMMA), polyquaternium, and carbomer. Several count as microplastics. They wash down the drain when you rinse and stick to skin while the rest of the product absorbs.
What the research says
A 2026 study in J Xenobiot ran lab tests on store-bought skincare and treatment creams. The team found and counted microplastic particles in many products. Sizes and amounts varied by brand. The paper flagged a real exposure path through skin and through wash-off into water systems.
Look for "free of microplastics" claims. Avoid products where the top half of the ingredient list is full of polymer names. Brands certified by Beat the Microbead or COSMOS skip them. Brands like Weleda, Dr. Bronner's, RMS, and 100% Pure publish clear lists.
The research at a glance
| Study | Journal | Year |
|---|---|---|
| Identification, Quantification, and Characterization of Microplastics in Skincare and Treatment Creams | J Xenobiot | 2026 |
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