Conditioning amide (DEA derivative)
STEARAMIDOETHYL DIETHANOLAMINE
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
Stearic acid amide of diethanolaminoethyl group, used as a hair-conditioning emulsifier. Effective but the DEA backbone means strict controls against nitrosamine formation are needed.
Skin benefits
- Conditioning emulsifier for hair and skin
- Antistatic in rinse-off formulas
- Adds substantivity to creams and conditioners
Known concerns
- Contains a diethanolamine (DEA) moiety, a nitrosamine precursor
- EU restricts DEA derivatives due to N-nitrosamine risk
- Potential mild skin and eye irritation
- Use level and nitrosating co-ingredients must be controlled
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Same plant / compound family
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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.