Science
Mechanism of Action
This ingredient functions by significantly lowering the surface tension between otherwise immiscible phases, such as oil and water, thereby facilitating the creation and maintenance of stable emulsions. Its surfactant properties also promote the even distribution of products during application, while its solubilizing capability enables the effective dispersion of oil-soluble compounds, like fragrances, within water-based solutions.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Based on data for ISOCETETH-20, a structurally similar ethoxylated alcohol, ISOCETETH-5 is anticipated to maintain stability across a wide pH range, performing consistently in both alkaline and acidic environments.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has deemed alkyl PEG ethers, including the related ISOCETETH-20, as safe for use at current concentrations when formulated to be non-irritating. Maximum concentrations are generally cited as 5% for leave-on products and 25% for rinse-off products. There are no specific SCCS opinions for ISOCETETH-5. GHS classification data for ISOCETETH-20 indicates that 27.9% of reports show it causes serious eye damage and is harmful if swallowed, while 72.1% state it does not meet GHS hazard criteria.
Your Skin
Skin Compatibility
Our Assessment
Verdict
ISOCETETH-5 is a valuable functional ingredient, essential for stable cosmetic formulations as an effective emulsifier, surfactant, and solubilizer, with a generally favorable safety profile when used within recommended concentration limits.
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References
Sources