amphoteric surfactant
DECYL BETAINE
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
Decyl betaine is a mild amphoteric surfactant used in cleansers, shampoos and body washes. It boosts foam and reduces irritation from anionic surfactants, with a well established tolerance profile in rinse off products.
Skin benefits
- Mild amphoteric surfactant in shampoos and body washes
- Boosts foam and improves cleansing of anionic surfactants
- Reduces irritation from harsher surfactants
- Compatible with sensitive skin formulations
Known concerns
- Can cause mild eye irritation at high levels
- Possible contact sensitization in predisposed users
- Quality varies with manufacturing impurities
- Mainly suitable for rinse off products
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related amphoteric surfactants
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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.