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Moumoujus

PEG-5 GLYCERYL ISOSTEARATE.

Valuable / SKIN CONDITIONING - EMOLLIENT, SURFACTANT - EMULSIFYING

PEG-5 Glyceryl Isostearate is a multifunctional ingredient enhancing skincare formulations. It acts as an emollient, providing significant moisturization and skin smoothing, and an emulsifier, critical for maintaining product stability and homogeneity.

Summary

emollient emulsifying solubilizer surfactant

Science

Mechanism of Action

This compound primarily functions by creating a protective barrier on the skin's surface, which effectively reduces transepidermal water loss and strengthens the skin's natural barrier function, resulting in a softer, more hydrated complexion. As an emulsifier and surfactant, it stabilizes mixtures of immiscible liquids, such as oil and water, ensuring consistent product texture and performance. Furthermore, it aids in dissolving various ingredients like active compounds, fragrances, and colorants.

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

This ingredient demonstrates robust stability under typical formulation conditions. However, its integrity can be compromised by strong oxidizing agents, which should be avoided. It exhibits broad compatibility with a wide array of surfactants, emulsifiers, and active ingredients, offering significant formulation flexibility.

Synergies

  • wide range of surfactants
  • emulsifiers
  • active ingredients

Conflicts

  • strong oxidizing agents
  • damaged skin

Safety

Safety Profile

CIR Status
Safe as used when formulated to be non-irritating
Max tested
25%
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has evaluated PEGylated alkyl glycerides, including PEG-5 Glyceryl Isostearate, confirming their safety in current cosmetic applications when formulated to be non-irritating. Studies on similar PEG Stearates indicate no irritant or sensitizing effects at concentrations up to 25%. Formulators must ensure adequate purification to remove potential residual 1,4-dioxane and unreacted ethylene oxide from PEG derivatives. A critical caution exists against using PEG-based ingredients on damaged or compromised skin, stemming from observations of potential sensitization and nephrotoxicity in burn patients treated with PEG-containing creams.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

PEG-5 Glyceryl Isostearate is a valuable multi-functional ingredient, offering significant benefits as an emollient and emulsifier to enhance product performance and skin hydration.

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