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PEG-6 GLYCERYL TRISTEARATE.

Valuable CAS 41080-66-4 / SKIN CONDITIONING - EMOLLIENT, SURFACTANT - EMULSIFYING

PEG-6 Glyceryl Tristearate is a versatile ingredient foundational to cosmetic formulation, functioning primarily as an emulsifier and surfactant. It ensures homogeneous product textures while contributing to skin hydration and smoothness through its humectant and emollient properties.

Summary

emulsifier surfactant humectant emollient

Science

Mechanism of Action

This ingredient operates by leveraging its dual nature: the polyethylene glycol (PEG) segment acts as a surfactant, reducing surface tension between immiscible liquids like oil and water to create stable emulsions. This PEG portion also attracts moisture, providing humectant benefits. Concurrently, the glyceryl tristearate component, a triglyceride, acts as an emollient, forming a protective film on the skin's surface to soften, smooth, and reduce moisture loss.

Research

Clinical Evidence

Insufficient-data confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

No specific data regarding 'dusting' phenomena for PEG-6 Glyceryl Tristearate was identified in the provided research.

The Formula

Formulation

Solubility
Both
Optimal pH N/A
0 7 14

Stability

The ingredient is noted for its stability, effectively maintaining the integrity of emulsions by preventing the separation of oil and water components within formulations.

Conflicts

  • strong acids
  • oxidizing agents

Safety

Safety Profile

CIR Status
Safe as used
Max tested
25%
Sensitization risk Low

The CIR Expert Panel has consistently deemed PEG Stearates, including PEG-6 Stearate, safe for use in cosmetic and personal care products, a conclusion reaffirmed as recently as 2024. Testing at 100% concentration resulted in only minimal skin and eye irritation. Crucially, clinical studies have demonstrated that PEG Stearates are neither irritating nor sensitizing at concentrations up to 25%. Additionally, its glyceryl tristearate component is FDA-approved as a food additive.

Your Skin

Skin Compatibility

No Normal
No Dry
No Oily
No Sensitive
Irritancy Low
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

PEG-6 Glyceryl Tristearate is a valuable cosmetic ingredient, offering robust emulsification and skin conditioning benefits with a well-established safety profile, demonstrating low irritancy risk at typical use concentrations.

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