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Exfoliant

HYDROXYBUTYRIC ACID/HYDROXYPENTANOIC ACID COPOLYMER

CAS 1039549-27-3 Updated
82

Safety score · 0–100

Good

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

About

A biodegradable PHA-class polymer of hydroxybutyric and hydroxypentanoic acids — used to control viscosity and provide mild exfoliation. High molecular weight, non-penetrating, with no significant concerns.

Function

ABRASIVESKIN CONDITIONINGVISCOSITY CONTROLLING

Skin benefits

  • Mild physical exfoliation
  • Viscosity control
  • Biodegradable particles

Known concerns

  • No significant concerns at cosmetic concentrations

References

EU

EU CosIng database

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

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