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Surfactant

C11-15 ALKETH-5 (FORMERLY C11-15 PARETH-5)

Updated
80

Safety score · 0–100

Good

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

About

A C11-15 fatty alcohol with 5 EO units — non-ionic emulsifier that creates stable oil-in-water emulsions in cosmetic creams. CIR-cleared alkyl-ether family with standard supplier-side 1,4-dioxane control.

Function

SURFACTANT - EMULSIFYING

Skin benefits

  • O/W emulsifier with balanced HLB
  • Effective at low use levels
  • Compatible with most actives
  • Imparts smooth feel

Known concerns

  • Trace 1,4-dioxane requires supplier control
  • Lower EO leans slightly defatting at high concentration

References

EU

EU CosIng database

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

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Check your shelf

Find C11-15 ALKETH-5 (FORMERLY C11-15 PARETH-5) in your products.

Scan any cosmetic product with LuxSense to see if it contains C11-15 ALKETH-5 (FORMERLY C11-15 PARETH-5) and get a full ingredient breakdown with safety scores.

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.