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Hair Conditioning

CETETHYL MORPHOLINIUM ETHOSULFATE

CAS 78-21-7 Updated
42

Safety score · 0–100

Moderate

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

About

An older quaternary ammonium hair-conditioning agent. The morpholine ring carries N-nitrosamine formation concerns and the raw material is flagged for serious eye damage.

Function

ANTIMICROBIALANTISTATICSURFACTANT - EMULSIFYINGHAIR CONDITIONINGSURFACTANT - CLEANSING

Skin benefits

  • Cationic conditioning quaternary ammonium
  • Anti-static effect on hair
  • Substantive to hair fibres

Known concerns

  • GHS H302 harmful if swallowed and H318 serious eye damage
  • Morpholine moiety raises N-nitrosamine formation concern
  • Quat irritation potential
  • Largely superseded by milder conditioning quats

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 — always read the physical product label and consult a healthcare professional for personal concerns.