Science
Mechanism of Action
This ingredient functions in several key ways: as a surfactant, it significantly lowers surface tension to effectively lift and remove impurities and oils from the skin, facilitating thorough cleansing. As an emulsifier, it ensures the stable blending of disparate oil and water phases within a product, maintaining formulation integrity. Furthermore, it acts as an emollient and skin conditioning agent, delivering hydration, softening the skin, and minimizing transepidermal water loss. Its additional roles include solubilizing active ingredients and mitigating potential irritancy.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
As a polyethylene glycol derivative, it demonstrates robust stability across varying pH levels and temperatures. It is not prone to microbiological degradation.
Safety
Safety Profile
Generally recognized as safe by regulatory bodies such as the FDA and EWG. Its maximum recommended concentration is 5% for leave-on products and up to 20% for rinse-off formulations. While ethoxylated ingredients can potentially contain impurities like 1,4-dioxane and ethylene oxide, this ingredient is considered non-irritating and safe when properly formulated.
Your Skin
Skin Compatibility
Our Assessment
Verdict
PEG-20 Glyceryl Isostearate is a highly valuable, multifunctional ingredient that enhances formulation stability and cleansing efficacy while providing gentle skin conditioning.
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