Science
Mechanism of Action
This ingredient operates by reducing the surface tension between different phases, allowing water to effectively mix with and encapsulate oils and impurities. Its surfactant properties enable it to bind to both hydrophilic and hydrophobic substances, which aids in suspending dirt and oil so they can be easily rinsed away. As an emulsifier, it stabilizes formulations containing both oil and water by preventing their separation.
Research
Clinical Evidence
Insufficient-data confidenceN/A
Transparency
Dusting Analysis
No data available to suggest this ingredient is commonly 'dusted' in formulations.
The Formula
Formulation
Stability
Related dodecylbenzenesulfonate salts exhibit stability across a broad pH range, remaining non-reactive and non-polymerizing even in the presence of strong acids and bases. However, the irritancy profile of these ingredients is notably dependent on the formulation's pH and concentration.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel deems dodecylbenzenesulfonate salts, including MIPA-Dodecylbenzenesulfonate, safe for cosmetic use when formulated to be non-irritating. The potential for irritation is concentration and pH-dependent, similar to other detergents; for instance, a related salt (Sodium Dodecylbenzenesulfonate) was severely irritating to rabbit skin at a 15% concentration. In Europe, its use is permitted provided the secondary amine level in the ingredient is less than 0.5%. It is also recognized by the FDA for certain indirect food additive applications.
Your Skin
Skin Compatibility
Our Assessment
Verdict
MIPA-Dodecylbenzenesulfonate is a valuable cleansing and emulsifying agent, provided its concentration and pH are precisely controlled to ensure a non-irritating final formulation.
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References
Sources