Science
Mechanism of Action
As a cationic quaternary ammonium salt, Cocotrimonium Methosulfate's positive charge allows it to electrostatically bind to the negatively charged surface of the skin. This interaction contributes to a smoothing effect and improves the uniform distribution of cosmetic products. Furthermore, its cationic nature facilitates its role as an emulsifier, stabilizing immiscible phases within a formulation, and as a solubilizer, aiding the incorporation of lipophilic ingredients into aqueous solutions. It also acts as an antistatic agent.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Cocotrimonium Methosulfate is miscible with both water and ethanol and demonstrates good stability at lower temperatures. It is a chloride-free ingredient. While an exact optimal pH range for its stability is not specified, analogous conditioning agents often exhibit maximum stability between pH 4.5-6.5.
Conflicts
- Anionic substances (e.g., Carbomer, Xanthan Gum) due to its cationic nature.
- The introduction of additional ions into a charged emulsification system.
- Certain hydrolyzed proteins and specific preservative systems.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) panel has concluded that Cocotrimonium Methosulfate is safe for use when formulated to be non-irritating. Toxicological assessments support its suitability in cosmetic preparations when recommended concentrations are adhered to, showing no evidence of toxicological risks. There is no specific SCCS opinion or FDA status reported for this ingredient.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Cocotrimonium Methosulfate is a valuable cationic ingredient for enhancing skin feel and improving product stability, provided its formulation adheres to non-irritating concentrations and compatibility guidelines.
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