Science
Mechanism of Action
Operating as a nonionic surfactant, Isoceteth-15 reduces interfacial tension between liquid phases, allowing for the stable emulsification of oil and water. This property is key for solubilizing hydrophobic compounds, such as fragrances, within water-based products and also enables its function as a gentle cleansing agent.
Research
Clinical Evidence
Insufficient-data confidence5%
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Drawing from data on the related ingredient Ceteth-15, Isoceteth-15 is projected to demonstrate broad pH stability, maintaining its integrity across acidic and alkaline environments.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has concluded that Isoceteth-15 is safe for use in cosmetics when formulated to be non-irritating, with a maximum concentration of 5% in leave-on products and up to 25% in rinse-off applications. As an ethoxylated ingredient, there is a potential for trace amounts of 1,4-dioxane and ethylene oxide, manufacturing by-products. The Scientific Committee on Consumer Safety (SCCS) advises a target level of ≤10 ppm for 1,4-dioxane in finished cosmetic products, a level generally achieved through industry purification methods.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Isoceteth-15 is a valuable formulation ingredient, crucial for stabilizing emulsions and solubilizing oil-based components, exhibiting low irritancy potential and broad compatibility across skin types.
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References
Sources