Amphoteric surfactant
MYRISTYL BETAINE
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
Myristyl betaine is a mild amphoteric surfactant used in cleansers and shampoos. In finished, diluted products it is generally well tolerated, although concentrated material is irritating and shows some aquatic toxicity.
Skin benefits
- Mild amphoteric surfactant good for foaming cleansers
- Compatible with anionic and non-ionic surfactants
- Helps thicken and condition wash-off formulas
- Reduces irritation of harsher surfactants
Known concerns
- Concentrated material can cause skin and eye irritation (H315/H318)
- Possible skin sensitisation (H317)
- Aquatic toxicity in concentrated form (H400/H410)
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.