Science
Mechanism of Action
As a surfactant, Undeceth-9 works by reducing the interfacial tension between oil and water phases. This action is critical for stabilizing oil-in-water or water-in-oil emulsions, ensuring the uniform dispersion of ingredients. On the skin, this reduction in surface tension allows for the effective solubilization and removal of dirt, sebum, and other impurities, facilitating a thorough cleansing process.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Undeceth-9, being an ethoxylated compound, carries a potential for residual ethylene oxide and 1,4-dioxane. Reputable manufacturers are expected to rigorously control and minimize these byproducts to comply with safety and quality standards.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) panel has determined Undeceth-9 to be safe for use, provided that the final formulation is non-irritating. Attention to raw material purity is essential to mitigate potential concerns regarding residual ethoxylation byproducts.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Undeceth-9 is a valuable functional ingredient for cleansing and emulsifying, deemed safe by CIR when properly formulated to be non-irritating, though further data on direct skin compatibility and efficacy is currently insufficient.
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References
Sources