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Conditioning agent

STEARAMIDOETHYL ETHANOLAMINE

CAS 141-21-9
68

Safety score · 0–100

Fine

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

Fatty amidoamine derived from stearic acid, used as a hair and skin conditioner in rinse-off and leave-on products. Provides softness and antistatic effects with a moderate, well-understood safety profile.

Skin benefits

  • Effective hair and skin conditioning agent
  • Improves wet and dry combability
  • Reduces static in hair products
  • Stable in typical formulation pH ranges

Known concerns

  • Cationic amides can be mildly irritating to eyes and skin at high levels
  • May contribute to nitrosamine formation if combined with nitrosating agents
  • Limited free amine impurity controls required
  • Not recommended for compromised skin barriers

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

Related conditioning agents

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.