Science
Mechanism of Action
This compound acts by disrupting the lipid bilayers of microbial cell membranes, leading to intracellular leakage and subsequent cell death. As a cationic surfactant, it effectively reduces surface tension to enhance wetting and cleaning.
Research
Clinical Evidence
High confidenceN/A
Transparency
Dusting Analysis
Significant skin irritation and sensitization have been documented at very low concentrations, with 0.08% reported to cause contact dermatitis and 0.17% identified as an EC3 for dermal sensitization.
The Formula
Formulation
Stability
The ingredient demonstrates hydrolytic stability with half-lives exceeding one year at pH 4, 7, and 9. Optimal efficacy for quaternary ammonium compounds is observed at neutral to alkaline pH.
Conflicts
- Strong acids
- Strong bases
- Strong oxidants
- Organic soil
- Anionic detergents
- Certain non-ionic detergents
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has not specifically reviewed this compound. EWG rates it with high concern for skin allergies and irritation, classifying it as unacceptable for EWG Verified products. It is corrosive to the eyes.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Due to its high potential for skin irritation and sensitization at low concentrations, and the absence of a specific CIR safety review, Didecyldimonium Chloride is not suitable for precision skincare applications.
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References
Sources