Science
Mechanism of Action
Acting as an amphiphilic emulsifier, Steareth-10 effectively lowers interfacial tension, forming stable oil-in-water emulsions by bridging immiscible oil and water components. As a surfactant, it aids in removing sebaceous oils and environmental contaminants from the skin's surface, while additionally supporting the restoration of the epidermal lipid barrier.
Research
Clinical Evidence
Insufficient-data confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
As a completely saturated solid, Steareth-10 exhibits high stability across a broad pH spectrum, demonstrating remarkable tolerance to strong acids and alkalis, which allows its versatile inclusion in various oil-in-water systems.
Safety
Safety Profile
The CIR Expert Panel affirmed Steareth ingredients, including Steareth-10, as safe for cosmetic use at current concentrations in 2006, provided formulations are non-irritating. Concentrations up to 60% in water are considered at most mildly irritating to eyes and mild irritants in some cosmetic formulations, but typically products utilize much lower concentrations. Concentrations exceeding 60% may cause skin and eye irritation. Minor amounts of 1,4-dioxane, a processing byproduct, can be controlled through purification processes.
Your Skin
Skin Compatibility
Our Assessment
Verdict
STEARETH-10 is a valuable non-ionic emulsifier and surfactant, integral for stable oil-in-water formulations and effective cleansing, though its high comedogenicity rating necessitates careful formulation for acne-prone skin.
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References
Sources