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Antimicrobial / Surfactant

UNDECYLENAMIDE DEA

CAS 25377-64-4
35

Safety score · 0–100

Caution

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

A DEA-class amide used for antifungal and foam-boosting effects. Diethanolamides can form carcinogenic nitrosamines when paired with nitrosating agents — a key reason the class is largely phased out.

Function

ANTI-SEBORRHEICANTIMICROBIALANTISTATICSURFACTANT - FOAM BOOSTINGHAIR CONDITIONINGVISCOSITY CONTROLLING

Skin benefits

  • Antifungal
  • Foam booster

Known concerns

  • Nitrosamine-forming DEA chemistry
  • Increasingly avoided in EU formulas
  • Possible irritation

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.