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Surfactant

C12-13 ALKETH-3 (FORMERLY C12-13 PARETH-3)

CAS 160901-19-9 (generic)/ 66455-14-9 (generic)
78

Safety score · 0–100

Fine

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

A short-chain ethoxylated fatty-alcohol surfactant (3 EO) that helps blend oils into water and lifts oily soils in cleansers. Considered safe at cosmetic levels when supplied as a purified, low-dioxane grade.

Function

SURFACTANT - EMULSIFYING

Skin benefits

  • Effective oil-in-water emulsifier
  • Boosts cleansing of oily soils
  • Stable across pH range typical of cleansers

Known concerns

  • Class-typical residual 1,4-dioxane from ethoxylation requires purified grade
  • Low-EO grade can be mildly irritating to eyes in rinse-off
  • No skincare benefits beyond formulation aid

References

EU

EU CosIng database

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

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C12-13 ALKETH-3
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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.