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Surfactant

CETYL BETAINE

CAS 693-33-4 Updated
70

Safety score · 0–100

Fine

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

About

A betaine-class amphoteric surfactant — mild cleanser used to soften harsher surfactants in shampoos and washes. Generally well tolerated; standard amine-impurity caveats.

Skin benefits

  • Mild amphoteric surfactant
  • Reduces irritation of harsher surfactants
  • Foam booster
  • Conditioning feel

Known concerns

  • Trace amine impurities possible — limit nitrosating combinations
  • Mild eye irritation potential

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.