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Restricted DEA amide

STEARAMIDE DEA

CAS 93-82-3
25

Safety score · 0–100

Caution

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

A fatty amide thickener built on diethanolamine chemistry. Its DEA backbone can form carcinogenic nitrosamines, leading to heavy restrictions and removal from most modern formulas.

Skin benefits

  • Acts as thickener and foam booster historically
  • Provides creamy texture in some legacy formulas

Known concerns

  • Diethanolamine (DEA) derivative that can form carcinogenic nitrosamines with nitrosating agents
  • NTP reports link DEA-related compounds to tumors in animal studies
  • Phased out by major brands and restricted in several markets
  • Listed on Annex III with strict conditions in the EU

References

EU

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.