Science
Mechanism of Action
This ingredient functions by bridging lipophilic and hydrophilic phases, effectively reducing the interfacial tension between incompatible substances like oil and water. This allows for the creation of stable, finely dispersed emulsions. Beyond its primary role, it also acts as a skin penetration enhancer, aiding in the absorption of other active compounds, and as a wetting agent to uniformly disperse hydrophobic ingredients.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Polyethylene glycols and their derivatives, including PEG-15 Glyceryl Diisostearate, generally exhibit excellent skin tolerance and are not prone to microbiological degradation, often reducing the need for extensive preservation. Its molecular structure, containing 15 ethylene oxide units, ensures good water solubility, typically achieved when compounds reach 12-15 ethylene oxide units.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has concluded that PEG diesters, including PEG-15 Glyceryl Diisostearate, are safe for use in cosmetics when formulated to be non-irritating. Relevant safety data has been submitted to the FDA for review.
Your Skin
Skin Compatibility
Our Assessment
Verdict
PEG-15 Glyceryl Diisostearate is a valuable ingredient, essential for stable emulsion formation and effective solubilization across a wide range of cosmetic and skincare formulations.
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References
Sources