Ingredient deep-dive

Methicone: Is It a Microplastic?

Low concernSilicone

Short-chain silicone frequently used to coat mineral pigments so they disperse evenly and resist water. Siloxane, not a microplastic.

Where it appears

Coating on mineral powders
Pressed powders
Mineral sunscreen

Regulatory status (2026)

European Union

Permitted.

United States

No federal restriction.

Cleaner alternatives

Uncoated mineral pigments
Jojoba-coated pigments

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Methicone, common questions

Is Methicone a microplastic?

Borderline. Short-chain silicone frequently used to coat mineral pigments so they disperse evenly and resist water. Siloxane, not a microplastic.

Is Methicone banned?

EU: Permitted. US: No federal restriction.

What can I use instead of Methicone?

Cleaner alternatives include: Uncoated mineral pigments; Jojoba-coated pigments.

What products contain Methicone?

Commonly found in: Coating on mineral powders; Pressed powders; Mineral sunscreen.

Related ingredients

Dimethicone

Silicone · Medium concern

Silicone polymer (polydimethylsiloxane). Not the same as solid microplastic but classed as a synthetic polymer; EU is consulting on tighter limits.

Cyclomethicone / Cyclopentasiloxane

Silicone · Medium concern

Cyclic siloxanes. D4 and D5 variants are EU-restricted in rinse-off products.

Trimethicone / Phenyl Trimethicone

Silicone · Low concern

Silicone polymer variant used for slip and shine.

Polysilicone-X

Silicone · Medium concern

Synthetic silicone polymer family used as film-formers in long-wear makeup.