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Preservative

ISOBUTYLPARABEN

CAS 4247-02-3
8

Safety score · 0–100

Avoid

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

A long-chain paraben preservative — banned in EU cosmetics (Annex II) over endocrine-disruption concerns. Should not appear in any product sold in Europe.

Function

ANTIMICROBIAL

Skin benefits

  • Effective preservative (historic use)

Known concerns

  • EU Annex II — banned in cosmetic products
  • Endocrine disruption concerns
  • Estrogenic activity in vitro

References

EU

EU CosIng database

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

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Check your shelf

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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.