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PEG-3 GLYCERYL ISOSTEARATE.

Valuable / SKIN CONDITIONING - EMOLLIENT, SURFACTANT - EMULSIFYING

PEG-3 Glyceryl Isostearate is a polyethylene glycol derivative of glyceryl isostearate, primarily serving as a versatile ingredient in cosmetic formulations. It excels in stabilizing emulsions and enhancing skin texture through its emollient properties.

Summary

Emollient Emulsifying Surfactant Skin Conditioning

Science

Mechanism of Action

This ingredient functions as a surfactant, effectively reducing surface tension to facilitate the stable blending of oil and water phases within a product. Its amphiphilic nature allows it to bridge these immiscible components, forming stable emulsions. Additionally, it acts as a skin conditioning agent, imparting a soft, smooth feel to the skin by forming a protective layer that helps minimize trans-epidermal water loss.

Research

Clinical Evidence

Insufficient-data confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Both
Optimal pH N/A
0 7 14

Stability

PEG-3 Glyceryl Isostearate generally exhibits robust compatibility with a broad spectrum of cosmetic ingredients. However, it is crucial for manufacturers to ensure that any PEG component is thoroughly purified to mitigate the presence of common trace impurities like ethylene oxide and 1,4-dioxane.

Conflicts

  • Strong oxidizing agents

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has assessed the safety of related ingredient classes, including PEG Stearates (e.g., PEG-3 Stearate) and PEGylated Alkyl Glycerides (e.g., PEG glyceryl cocoates), concluding their safety for cosmetic use under current practices. These assessments suggest that PEG-3 Glyceryl Isostearate is typically well-tolerated, presenting a low potential for dermal irritation and limited penetration of intact skin. While a specific maximum use concentration for PEG-3 Glyceryl Isostearate has not been individually established, related PEG derivatives have been considered safe at concentrations up to 10% in leave-on products and higher in rinse-off formulations. Adherence to purification standards is essential to ensure overall safety.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Low

Our Assessment

Verdict

Valuable

PEG-3 Glyceryl Isostearate is a valuable component in skincare, recognized for its safe and effective emulsifying and emollient properties that contribute to stable formulations and enhanced skin comfort.

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