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Emulsifier

C12-15 ALKETH-3 PHOSPHATE

78

Safety score · 0–100

Fine

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

A phosphate-ester emulsifier from C12-15 fatty alcohols (3 EO units). Effective and milder than sulfates, but the ethoxylation step requires careful control of 1,4-dioxane impurities.

Function

SURFACTANT - EMULSIFYING

Skin benefits

  • Effective emulsifier and surfactant for O/W emulsions
  • Mild compared to sulfate surfactants
  • Stabilizes complex sunscreen and lotion bases

Known concerns

  • Ethoxylation chemistry — 1,4-dioxane impurity must be controlled
  • Phosphate residues raise mild ecotoxicity concern
  • Quality varies between suppliers

References

EU

EU CosIng database

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

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Same plant / compound family

72
C12-15 ALKETH-3
Emulsifier
 75
C12-15 ALKETH-3 (FORMERLY C12-15 PARETH-3)
Emulsifier
 88
C12-15 ALKETH-3 BENZOATE
Emollient
 80
C12-15 ALKETH-3 BENZOATE (FORMERLY C12-15 PARETH-3 BENZOATE)
Emollient
 75
C12-15 ALKETH-3 PHOSPHATE (FORMERLY C12-15 PARETH-3 PHOSPHATE)
Surfactant

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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.