Science
Mechanism of Action
As a surfactant, Cocoyl Hydroxyethyl Imidazoline effectively lowers the surface tension of liquids, facilitating the removal of impurities from skin and hair. It promotes foam generation for enhanced cleansing experiences and functions as an an emulsifier, enabling the stable blending of disparate substances like oils and aqueous solutions.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
This ingredient is not commonly 'dusted' in formulations; however, high concentrations pose significant hazards. Corrosive skin responses were observed at 5% concentration in related compounds following 1-hour and 4-hour exposures. Cosmetic use is typically restricted to very low concentrations, around 0.3%.
The Formula
Formulation
Stability
The ingredient demonstrates stability at pH levels below 6, with hydrolysis observed under alkaline conditions. It exhibits very low water solubility, measured at 5mg/L at 25°C.
Safety
Safety Profile
While the broader group of 'Long-chain alkyl hydroxyethyl imidazolines' has been assessed by the Australian government as having low acute dermal toxicity, not genotoxic, and not expected to cause specific reproductive or developmental adverse effects, Cocoyl Hydroxyethyl Imidazoline carries severe hazard statements. GHS classifications include H314 ('Causes severe skin burns and eye damage'), H302 ('Harmful if swallowed'), and H410 ('Very toxic to aquatic life with long lasting effects'). Corrosive skin responses were observed for related compounds at 5% concentration after 1-hour exposures, highlighting a critical concentration threshold. Its noted use in cosmetics is at low concentrations, typically around 0.3%.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Due to its high irritancy potential and severe hazard warnings for burns and eye damage at elevated concentrations, this ingredient is not recommended for a precision skincare formulation, despite its functional utility at very low concentrations in rinse-off products.
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References
Sources