Skip to content

DECYL BETAINE

CAS 2644-45-3
80

Safety score · 0–100

Good

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

About

A short-chain amphoteric surfactant known for its ultra-mildness and effectiveness, often used in gentle cleansers for sensitive skin.

Decyl Betaine (CAS 2644-45-3) is an amphoteric surfactant with a decyl (C10) chain, making it one of the milder alkyl betaines. The short chain length contributes to very low irritation potential while maintaining good cleansing performance. Used extensively in baby care, sensitive-skin products, and mild facial cleansers. Not restricted under EU cosmetics law. PubChem CID: 75844.

Skin benefits

  • Ultra-mild cleansing ideal for sensitive skin
  • Excellent foaming with low irritation
  • Good dermatological compatibility

References

EU

EU CosIng database

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

Check your shelf

Find DECYL BETAINE in your products.

Scan any cosmetic product with LuxSense to see if it contains DECYL BETAINE and get a full ingredient breakdown with safety scores.

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.