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PEG-40 GLYCERYL STEARATE.

Valuable CAS - / SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

PEG-40 Glyceryl Stearate is a versatile non-ionic emulsifier, crucial for creating stable oil-in-water formulations in precision skincare. It also enhances product texture and acts as a humectant, aiding in moisture retention within formulations.

Summary

Emulsifier Humectant Dispersing Agent Solubilizer Surfactant Cleansing Agent Thickening Agent Texture Enhancer

Science

Mechanism of Action

This ingredient functions primarily as a lipophilic non-ionic oil-in-water emulsifier, possessing an HLB value of 17.3, which allows it to effectively combine disparate oil and water-based components into a stable emulsion. Additionally, it operates as a humectant, drawing moisture into the skin, and a dispersing agent and solubilizer to maintain ingredient homogeneity. Its surfactant properties contribute to its role as a cleansing agent, helping water interact with and remove oils and dirt. Furthermore, it improves product stability and spreadability by acting as a thickening agent and texture enhancer, ensuring other ingredients remain soluble within the formulation.

Research

Clinical Evidence

Insufficient-data confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH 5 – 7
0 7 14

Stability

PEG-40 Glyceryl Stearate exhibits chemical inertness and enhanced stability, ensuring its suitability across a broad pH spectrum and compatibility with various active ingredients, emulsion systems, and solid dispersions. A 5% aqueous solution typically maintains a pH between 5.0 and 7.0, aligning with its optimal range.

Synergies

  • Various active ingredients
  • Emulsion systems
  • Solid dispersions

Safety

Safety Profile

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

The Cosmetic Ingredient Review (CIR) Expert Panel has concluded that PEG-40 Glyceryl Stearate and similar PEG Stearates are safe for use in cosmetic formulations, a finding reaffirmed in 2005. Clinical studies at concentrations of 25% or greater demonstrated no evidence of irritation, sensitization, phototoxicity, or photosensitization. Products typically formulated with 0.07% to 7% of PEG-40 Stearate have also been reaffirmed as safe. The FDA has approved related PEG Stearates for indirect food additive uses, further supporting its safety profile.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

PEG-40 Glyceryl Stearate is a valuable, multi-functional ingredient that significantly enhances formulation stability, texture, and cleansing efficacy, backed by a strong safety profile across all skin types.

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