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MYRISTAMIDOPROPYL BETAINE
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A gentle amphoteric surfactant and foam booster derived from myristic acid, popular in mild cleansers with a favourable safety profile.
Myristamidopropyl Betaine is an amphoteric surfactant derived from myristic acid (a saturated fatty acid) and propyl betaine. It is widely used in rinse-off cosmetic products including shampoos, body washes, and facial cleansers for its mildness, viscosity-building, and foam-enhancing properties. CosIng lists no EU restrictions. Like other alkylamidopropyl betaines, the main safety concern relates to potential nitrosamine formation during storage (mitigated by formulation and packaging choices) and trace impurity levels. The compound is considered safe for use in cosmetic formulations at standard concentrations.
Skin benefits
- Mild cleansing — less irritating than anionic surfactants
- Improves foam quality and skin feel
- Suitable for gentle, sensitive-skin formulations
Known concerns
- Trace nitrosamine potential from manufacturing (managed by GMP)
- May contribute to nitrosamine formation in formulations with amine ingredients
References
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.