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PEG-9 GLYCERYL ISOSTEARATE.

Valuable / SKIN CONDITIONING - EMOLLIENT, SURFACTANT - EMULSIFYING

PEG-9 Glyceryl Isostearate is a multifunctional ingredient primarily serving as an emulsifier and solubilizer. It is expertly designed to stabilize oil and water formulations, ensuring uniform product consistency. Beyond its textural contributions, it also enhances skin feel, leaving a soft and smooth finish.

Summary

emulsifying solubilizer surfactant skin conditioning

Science

Mechanism of Action

This ingredient functions by reducing the surface tension between immiscible liquids, allowing oil and water phases to blend stably, thereby creating effective emulsions. As a mild co-surfactant, it also aids in cleansing while imparting a desirable texture and spreadability to the product, which translates to a more refined sensation on the skin.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Both
Optimal pH 4 – 9
0 7 14

Stability

Demonstrates chemical stability across a broad pH range of 4.0 to 9.0, as observed in structurally similar compounds.

Conflicts

  • Strong oxidizing agents

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has deemed various PEG Stearates, including related compounds like PEG-9 Stearate, safe for cosmetic use under current practices. Broader assessments of PEGs confirm their general safety when manufacturers meticulously control impurities such as ethylene oxide and 1,4-dioxane. While a specific maximum concentration for PEG-9 Glyceryl Isostearate is not established, related PEG compounds have shown non-irritancy at concentrations up to 25% and even 100% in some studies.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Unknown
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

PEG-9 Glyceryl Isostearate is a valuable formulating agent, essential for creating stable emulsions and enhancing product texture while being widely compatible across various skin types.

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