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Surfactant

UNDECYLENAMIDOPROPYL BETAINE

CAS 98510-75-9 Updated
82

Safety score · 0–100

Good

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

About

A gentle amphoteric surfactant with natural antifungal action — cleanses without stripping and helps control dandruff-causing yeasts. A favorite in mild shampoos and sensitive-scalp cleansers.

Skin benefits

  • Mild cleansing for sensitive scalp
  • Inhibits dandruff-causing Malassezia
  • Boosts foam without irritation
  • Compatible with anti-dandruff actives

Known concerns

  • Possible sensitization to amidopropyl impurities
  • Limited data vs cocamidopropyl betaine

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.