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Ingredient deep-dive

Bisphenol S (BPS): Is It a Microplastic?

High concernPlasticiser / chemical of concern

The most common BPA replacement, and the reason "BPA-free" is a weaker claim than it sounds. BPS is structurally similar and shows comparable endocrine activity in studies, while being less regulated.

Where it appears

  • BPA-free can linings and receipts
  • BPA-free plastics

Regulatory status (2026)

European Union

Restricted in thermal paper; under review for wider action.

United States

No federal restriction.

Cleaner alternatives

  • Glass and steel
  • Declining paper receipts
  • Oleoresin-lined cans

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Bisphenol S (BPS), common questions

Is Bisphenol S (BPS) a microplastic?

Yes. The most common BPA replacement, and the reason "BPA-free" is a weaker claim than it sounds. BPS is structurally similar and shows comparable endocrine activity in studies, while being less regulated.

Is Bisphenol S (BPS) banned?

EU: Restricted in thermal paper; under review for wider action. US: No federal restriction.

What can I use instead of Bisphenol S (BPS)?

Cleaner alternatives include: Glass and steel; Declining paper receipts; Oleoresin-lined cans.

What products contain Bisphenol S (BPS)?

Commonly found in: BPA-free can linings and receipts; BPA-free plastics.

Related ingredients

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Preservatives flagged for endocrine activity; commonly co-occur with plastic polymers in synthetic formulas.

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Phthalates

Plasticiser / chemical of concern · High concern

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BHT / BHA

Plasticiser / chemical of concern · Low concern

Synthetic antioxidants, co-occurrence flag in plastic-heavy formulas.

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DEHP (Diethylhexyl Phthalate)

Plasticiser / chemical of concern · High concern

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