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DEA fatty amide surfactant

RICINOLEAMIDE DEA

CAS 40716-42-5
55

Safety score · 0–100

Moderate

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

Ricinoleamide DEA is a castor-oil-derived diethanolamide surfactant used to thicken and boost foam in cleansers. The DEA class is restricted in the EU because residual diethanolamine can form nitrosamines.

Skin benefits

  • Functions as a foam booster and viscosity controller in cleansers
  • Improves lather and emollience in shampoos and washes

Known concerns

  • Belongs to the alkanolamide DEA class, potential to form nitrosamine impurities
  • EU restricts DEA condensates to limit nitrosamine contamination
  • Possible skin and eye irritation at higher use levels
  • Phasing out in favour of MEA and amide alternatives in modern formulas

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.