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Surfactant

DIETHANOLAMINOOLEAMIDE DEA

Updated
32

Safety score · 0–100

Caution

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

About

A fatty-acid DEA derivative used to thicken shampoos. Big red flag: secondary amines can react with nitrites to form nitrosamines (carcinogenic). EU Annex III restricts use; better alternatives exist.

Skin benefits

  • Viscosity control in shampoos
  • Foam stabilization
  • Surfactant blending aid

Known concerns

  • Forms carcinogenic nitrosamines with nitrosating agents
  • EU Annex III restricted use
  • Skin and eye irritation potential
  • Should not be combined with nitrite-releasing preservatives

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