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Ingredient deep-dive

Carbomer: Is It a Microplastic?

Medium concernAcrylate / vinyl polymer

Cross-linked polyacrylic acid thickener. Synthetic polymer, though much smaller particles than microbeads.

Where it appears

  • Most water-based gels and serums
  • Aloe vera gel formulations
  • Sunscreen lotions
  • Toothpaste gel

Regulatory status (2026)

European Union

Permitted; consultation ongoing

United States

No restriction

Cleaner alternatives

  • Xanthan gum
  • Carrageenan

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Carbomer — common questions

Is Carbomer a microplastic?

Yes — it is classified as a synthetic polymer. Cross-linked polyacrylic acid thickener. Synthetic polymer, though much smaller particles than microbeads.

Is Carbomer banned?

EU: Permitted; consultation ongoing US: No restriction

What can I use instead of Carbomer?

Cleaner alternatives include: Xanthan gum; Carrageenan.

What products contain Carbomer?

Commonly found in: Most water-based gels and serums; Aloe vera gel formulations; Sunscreen lotions; Toothpaste gel.

Related ingredients

Acrylates Copolymer

Acrylate / vinyl polymer · High concern

Synthetic film-forming plastic used widely in makeup, sunscreens, and hair fixatives.

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Acrylates Crosspolymer

Acrylate / vinyl polymer · High concern

Cross-linked acrylic polymer thickener. Same plastic family as Acrylates Copolymer.

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Polyacrylate

Acrylate / vinyl polymer · Medium concern

Polymer thickener / absorbent. Plastic family used in absorbent gels and lotions.

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Methacrylate Copolymers

Acrylate / vinyl polymer · High concern

Acrylic plastic family used in nail products and long-wear formulas.

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