Science
Mechanism of Action
This ingredient functions by maintaining the skin's optimal condition, binding water and oil phases to create stable emulsions. As a humectant, it draws moisture into the skin, contributing to hydration. Its solubilizing action allows for the dispersion of lipophilic substances like fragrances and active compounds within water-based systems, while its surfactant properties reduce surface tension and aid in wetting. Furthermore, it serves as a consistency enhancer, refining the texture and feel of cosmetic products.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
PEG derivatives demonstrate robust stability and are generally not microbiologically sensitive, often minimizing the need for additional preservative systems. The physical consistency of PEG derivatives, including this ingredient, varies with their degree of polymerization, with liquid forms proving especially effective as solubilizers and solvents in formulations, particularly those with reduced alcohol content.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has concluded that numerous chemically related PEGylated oils, including PEG-50 Hydrogenated Castor Oil, are safe for use in cosmetics at concentrations up to 100%, provided the final formulation is non-irritating. While ethoxylation processes can result in trace amounts of 1,4-dioxane, these levels are rigorously managed through purification to ensure compliance and safety. This ingredient is generally permitted under both FDA and European Cosmetics Regulation guidelines.
Your Skin
Skin Compatibility
Our Assessment
Verdict
A valuable, multifunctional ingredient that enhances formulation stability and ingredient delivery while providing reliable skin conditioning benefits across various skin types and product categories.
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