Science
Mechanism of Action
This ingredient operates as a cationic quaternary ammonium compound. Its primary mechanism involves emulsification, stabilizing formulations by effectively binding oil and water components to create a uniform product. On the skin, it provides a light conditioning effect, offering hydration without leaving a heavy residue, and concurrently aids in dissipating static charges.
Research
Clinical Evidence
Insufficient-data confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
The ingredient supports product stability even within complex cosmetic formulations.
Conflicts
- As a cationic quaternary ammonium compound, it may exhibit incompatibility with strong anionic ingredients, potentially leading to precipitation or a reduction in functional performance.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has assessed trimoniums, including Stearoyl Ethyltrimonium Methosulfate, concluding their safety in current usage concentrations when formulated to be non-irritating. No specific SCCS opinions were identified. This ingredient is listed within the FDA Global Substance Registration System (UNII: WRL6E4QEWW).
Your Skin
Skin Compatibility
Our Assessment
Verdict
A valuable ingredient, contributing significantly to formulation stability and providing gentle conditioning benefits across various skin types, including sensitive skin.
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References
Sources