Skip to content

Surfactant

C9-11 PARETH-4

Updated
68

Safety score · 0–100

Fine

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

About

A short-chain (C9-11) alcohol with 4 EO units — a powerful but slightly more irritating surfactant typically used in rinse-off cleansers where short carbon chains boost grease removal.

Function

SURFACTANT - EMULSIFYING

Skin benefits

  • Strong cleansing
  • Effective at low %
  • Wetting and degreasing
  • Low-HLB emulsification

Known concerns

  • Higher irritation than longer-chain analogues
  • Trace dioxane caveat
  • Best in rinse-off

References

EU

EU CosIng database

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

Related surfactants

68
ARGININE PEG-4 COCAMIDE SULFATE
Surfactant
 68
BEHENAMINE OXIDE
Surfactant
 68
C11-13 ALKETH-9
Surfactant
 68
C11-15 ALKETH-20
Surfactant
 68
C11-15 ALKETH-40
Surfactant
 68
C11-15 PARETH-12
Surfactant
 68
C12-13 ALKETH-15
Surfactant
 68
C12-13 PARETH-6
Surfactant

Check your shelf

Find C9-11 PARETH-4 in your products.

Scan any cosmetic product with LuxSense to see if it contains C9-11 PARETH-4 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.