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Film Former

3-HYDROXYBUTYRATE/4-HYDROXYBUTYRATE COPOLYMER

CAS 125495-90-1
72

Safety score · 0–100

Fine

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

A biodegradable PHA copolymer (P3HB-co-4HB) used as a film former or eco bead/powder. Sister polymer to PHBH; large molecule unlikely to penetrate skin.

Function

ABRASIVEVISCOSITY CONTROLLING

Skin benefits

  • Biodegradable PHA polymer (P3HB-co-4HB)
  • Bio-derived film former / bead replacement
  • Smooth-feel matte finish
  • Marine biodegradable

Known concerns

  • Limited cosmetic-specific data
  • High-MW polymer assumed non-penetrating

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

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Same plant / compound family

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3-HYDROXYBUTYRATE/4-HYDROXYBUTYRATE/PEG-90 COPOLYMER
Emulsifier

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.