Science
Mechanism of Action
This ingredient functions by lowering the surface tension of liquids, allowing water and oil to blend, which aids in lifting and washing away fat and soil particles from the skin. Its unique amphoteric structure, featuring both positive and negative charges, contributes to its mildness, thickening properties, and foam-boosting capabilities as a co-surfactant. Additionally, it acts as an antistatic agent and conditions both skin and hair.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Myristamidopropyl Hydroxysultaine is readily soluble in water. Its amphoteric nature provides formulation flexibility, with related alkyl sultaines exhibiting high chemical stability across acidic, basic, and neutral pH conditions.
Conflicts
- Ingredients where N-nitroso compounds can be formed
- Presence of N-nitrosatable impurities (should be minimized)
- 3,3-dimethylaminopropylamine (DMAPA) and related sensitizing agents (should be minimized)
Safety
Safety Profile
The CIR Expert Panel concluded that Myristamidopropyl Hydroxysultaine is safe for use in cosmetics under current practices. To ensure safety, manufacturers are advised to use Current Good Manufacturing Practices (cGMPs) to limit N-nitrosatable impurities and to avoid combining it with ingredients that can form N-nitroso compounds. It is also recommended to minimize the presence of 3,3-dimethylaminopropylamine (DMAPA) and related sensitizing agents. The maximum reported use concentration is up to 11.5% in rinse-off products and up to 2.5% in leave-on face and neck skincare products, based on similar ingredients in its class.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Myristamidopropyl Hydroxysultaine is a valuable, mild amphoteric surfactant ideal for a broad spectrum of cleansing and conditioning formulations, suitable for all skin types.
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