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Surfactant / Conditioner

BEHENYL BETAINE

CAS 26920-62-7
78

Safety score · 0–100

Fine

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

Long-chain amphoteric surfactant from behenic acid (C22) used in shampoos and cleansers. Conditions hair, boosts foam, and softens the action of stronger detergents. Generally well tolerated on skin.

Skin benefits

  • Mild amphoteric surfactant and conditioner
  • Reduces irritation potential of harsher anionic surfactants
  • Provides foam boosting and viscosity in cleansers
  • Antistatic effect on hair

Known concerns

  • Limited published human safety data versus shorter-chain betaines
  • Possible trace amidoamine impurities linked to sensitization
  • Generally well tolerated at use levels

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