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Surfactant

LAURETH-21

CAS 9002-92-0
64

Safety score · 0–100

Fine

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

A laureth surfactant with 21 ethylene oxide units. The high EO count makes it mild and water-loving. Trace 1,4-dioxane from manufacturing is the classic concern.

Skin benefits

  • Mild nonionic surfactant and solubilizer
  • Good for oil-in-water emulsions
  • Reduces irritation of harsher surfactants

Known concerns

  • Trace 1,4-dioxane risk from ethoxylation
  • Possible ethylene oxide residues if not stripped

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, so always read the physical product label and consult a healthcare professional for personal concerns.