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Preservative

POTASSIUM BUTYLPARABEN

CAS 38566-94-8 Updated
32

Safety score · 0–100

Caution

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

About

The potassium salt of butylparaben — a preservative restricted in the EU to 0.14% over endocrine-disruption signals, and banned outright in nappy-area products for young children. Use with awareness.

Function

PRESERVATIVE

Skin benefits

  • Broad-spectrum antimicrobial preservative
  • Effective against bacteria and fungi at low concentrations

Known concerns

  • EU restricted to 0.14% in specified product categories
  • Endocrine-disruption signal identified by SCCS
  • Banned from leave-on products for nappy area in children under 3
  • Estrogenic activity in vitro

References

EU

EU CosIng database

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

Related preservatives

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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.