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Surfactant

TEA-LAURETH-4 PHOSPHATE

50

Safety score · 0–100

Moderate

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

A phosphate-ester emulsifier neutralized with triethanolamine. Effective but the TEA component can form nitrosamines when paired with nitrosating agents — a real concern that puts it in the Use-with-Awareness band.

Function

SURFACTANT - EMULSIFYINGSURFACTANT - CLEANSING

Skin benefits

  • Emulsification in sunscreens
  • Stable phosphate-ester chemistry
  • Versatile pH range

Known concerns

  • Nitrosamine formation potential
  • Trace 1,4-dioxane risk
  • EU Annex III TEA limits

References

EU

EU CosIng database

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

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DIPA-LANOLATE
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DISODIUM LAURIMINODIPROPIONATE
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DISODIUM METHYLENE DINAPHTHALENESULFONATE
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DISODIUM NONOXYNOL-10 SULFOSUCCINATE
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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.