Science
Mechanism of Action
This ingredient works on the skin by forming a thin, imperceptible layer that actively reduces transepidermal water loss, thereby delivering lasting hydration and comfort. Its skin conditioning properties contribute to a noticeably softer and smoother complexion. Concurrently, as a polyglyceryl fatty acid ester, it plays a crucial role in stabilizing oil and water phases within formulations, ensuring a uniform and aesthetically pleasing product consistency.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
This ingredient, a polyglyceryl fatty acid ester, is noted for its strong hygroscopic nature, enabling it to form a water-locking structure that provides sustained moisturizing benefits. It demonstrates enhanced stability against heat and oxidation compared to certain natural emulsifiers. Typically incorporated into the oil phase, it has a melting point of approximately 55°C. Related polyglyceryl esters show broad pH compatibility, generally ranging from 3 to 9. It is formulated to be free of PEG, PPG, 1-4 Dioxane, and Chlorine.
Safety
Safety Profile
The CIR Expert Panel has determined this ingredient, along with 273 other polyglyceryl fatty acid esters, to be safe for use in cosmetics at current concentrations, provided formulations are non-irritating. While no specific SCCS or FDA status is available for this exact compound, maximum concentration recommendations for related ingredients, such as Polyglyceryl-10 Stearate, suggest use at no higher than 5% to optimize benefits and minimize potential adverse reactions.
Your Skin
Skin Compatibility
Our Assessment
Verdict
POLYGLYCERYL-10 HYDROXYSTEARATE/STEARATE/EICOSADIOATE is a valuable multifunctional ingredient, offering significant skin conditioning and moisturizing benefits across all skin types, while also enhancing product stability and texture.
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