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Moumoujus

PEG-8 GLYCERYL ISOSTEARATE.

Valuable / SKIN CONDITIONING - EMOLLIENT, SURFACTANT - EMULSIFYING

PEG-8 Glyceryl Isostearate is a versatile ester that primarily functions as an emulsifier, stabilizing oil-in-water formulations for uniform application. Beyond its textural role, it acts as a humectant to draw moisture to the skin and an emollient, imparting a smooth, comfortable feel. This ingredient also supports effective cleansing by dissolving makeup and improving the absorption of other cosmetic actives.

Summary

Emulsifier Humectant Emollient Surfactant Makeup Remover Penetration Enhancer

Science

Mechanism of Action

This ingredient functions as an effective emulsifier, enabling the stable combination of immiscible oil and water components within formulations, which contributes to a smoother product texture. On the skin, it serves as a humectant, actively binding water molecules through hydrogen bonds to enhance hydration and moisture retention. Additionally, it provides an emollient effect, promoting a soft and supple skin feel. In cleansing products, it acts as a surfactant, dissolving oil-based makeup and impurities, allowing them to rinse cleanly. As a polyethylene glycol derivative, it also possesses the capacity to enhance the percutaneous penetration of other beneficial cosmetic ingredients.

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 N/A
0 7 14

Stability

This ingredient exhibits general stability and is non-reactive under typical formulation conditions. It is advisable to avoid exposure to high temperatures and open flames during processing.

Conflicts

  • strong acids
  • bases
  • oxidizing agents

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has assessed PEG-8 Stearate, a chemically related compound, and concluded its safety for use in cosmetic products under current practices. Regulatory bodies, including the FDA, permit its inclusion, advising adherence to appropriate dosages. While instances of allergic reactions are rare, individuals with heightened skin sensitivity may consider a patch test prior to widespread application. EWG Skin Deep classifies the risk for allergies and immunotoxicity as 'LOW'.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

PEG-8 Glyceryl Isostearate is a valuable multifunctional ingredient, enhancing product texture, skin hydration, and cleansing efficacy with a favorable safety profile across all skin types.

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