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PEG-20-PPG-10 GLYCERYL STEARATE.

Valuable / SURFACTANT - EMULSIFYING

This versatile ingredient functions primarily as an emulsifier, expertly blending oil and water phases to create stable and uniform cosmetic formulations. It enhances product texture, imparting a smooth, silky feel to the skin while also contributing to hydration through its humectant properties.

Summary

Emollient Emulsifying Skin-softening Humectant Cleansing Agent Consistency Regulator

Science

Mechanism of Action

PEG-20-PPG-10 Glyceryl Stearate operates primarily as an oil-in-water emulsifier, crucial for stabilizing formulations that integrate immiscible liquid phases. Its polyethylene glycol component provides moisturizing benefits by attracting and retaining skin moisture. Additionally, it refines product consistency for a luxurious application and can facilitate mild cleansing by aiding the dispersion of oil and dirt.

Research

Clinical Evidence

Medium confidence
Effective range 2–10.1%
Optimal

2%

Key findings

  1. 01 Clinical assessments indicate its use at concentrations up to 10.1% in hair grooming products, including tonics and dressings (CIR Safety Assessment, 2023).
  2. 02 It has been documented in body and hand moisturizing formulations at concentrations up to 4% (CIR Safety Assessment, 2002).
  3. 03 Typically employed between 2-10% as an effective oil-in-water emulsifier in various creams and rinses (Cosmetic Ingredients Guide).

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Both
Optimal pH 5 – 7.5
0 7 14

Stability

PEG-20 Stearate, a chemically similar compound, demonstrates stability across a range of temperatures, acids, and bases. A 5% aqueous solution typically maintains a pH between 5.0 and 7.0. For optimal integration, it should be incorporated into the oil phase of a formulation. Temperatures exceeding 80°C should be avoided during processing.

Safety

Safety Profile

CIR Status
Safe as used
Max tested
10.1%
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has concluded that PEG-20 Stearate, a closely related compound, is safe for cosmetic use within current concentration practices, a finding reaffirmed in 2005. The U.S. Food and Drug Administration (FDA) also considers PEG-20 Stearate safe for cosmetic and specific food uses. However, concerns persist regarding potential trace contamination from toxic impurities such as ethylene oxide and 1,4-dioxane. Products containing this ingredient can achieve EWG VERIFIED™ status, subject to specific use restrictions. While generally well-tolerated, individuals with highly sensitive skin are advised to perform a patch test. It is important to note that specific safety data for 'PEG-20-PPG-10 Glyceryl Stearate' was not readily available, and this assessment relies predominantly on information concerning PEG-20 Glyceryl Stearate due to their structural and functional similarities.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

PEG-20-PPG-10 Glyceryl Stearate is a valuable ingredient, primarily recognized for its emulsifying and skin-conditioning properties, contributing to stable formulations and enhanced skin feel, with data largely extrapolated from PEG-20 Glyceryl Stearate.

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