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Preservative

UNDECYLENOYL PEG-5 PARABEN

Updated
50

Safety score · 0–100

Moderate

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

About

A hybrid preservative — undecylenic acid linked via PEG-5 to a paraben group. The paraben moiety raises class-level sensitisation and endocrine-disruption questions; SCCS opinions on parabens drive the cautious score.

Function

ANTIMICROBIAL

Skin benefits

  • Antimicrobial preservative for cosmetics
  • Fatty-acid moiety improves substantivity

Known concerns

  • Contains a paraben moiety — sensitisation risk for paraben-sensitive consumers
  • Ethoxylated — trace 1,4-dioxane caveat
  • Limited public data on this specific molecule
  • Paraben class is under EU restriction (Annex V limits)

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.