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Preservative

ISOPROPYLPARABEN

CAS 4191-73-5
5

Safety score · 0–100

Avoid

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

A short-chain paraben preservative banned in EU cosmetics under Annex II since 2014. Removed because SCCS could not confirm its safety.

Function

PRESERVATIVE

Skin benefits

  • Historical preservative function (no longer permitted)

Known concerns

  • EU Annex II prohibited in cosmetics
  • Insufficient safety data per SCCS
  • Suspected endocrine activity
  • Banned for cosmetic use since 2014/2015

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.