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Ingredient deep-dive

PPG-15 Stearyl Ether: Is It a Microplastic?

Low concernPEG / glycol

Propylene-glycol-based emollient giving a dry, silky finish. A synthetic polyether, not a microplastic.

Where it appears

  • Lightweight moisturisers
  • Hair products
  • Colour cosmetics

Regulatory status (2026)

European Union

Permitted.

United States

No federal restriction.

Cleaner alternatives

  • Squalane
  • Coco-caprylate
  • Isoamyl laurate

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PPG-15 Stearyl Ether, common questions

Is PPG-15 Stearyl Ether a microplastic?

Borderline. Propylene-glycol-based emollient giving a dry, silky finish. A synthetic polyether, not a microplastic.

Is PPG-15 Stearyl Ether banned?

EU: Permitted. US: No federal restriction.

What can I use instead of PPG-15 Stearyl Ether?

Cleaner alternatives include: Squalane; Coco-caprylate; Isoamyl laurate.

What products contain PPG-15 Stearyl Ether?

Commonly found in: Lightweight moisturisers; Hair products; Colour cosmetics.

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