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PEG-10 GLYCERYL TRISTEARATE.

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

PEG-10 Glyceryl Tristearate functions as a versatile PEG derivative, primarily utilized to stabilize emulsions, allowing oil and water to blend seamlessly. Beyond its emulsifying capabilities, it offers emollient benefits to soften skin and acts as a humectant to enhance moisture retention.

Summary

Emulsifier Humectant Emollient

Science

Mechanism of Action

As a PEG derivative and an ester of stearic acid and glycerol, PEG-10 Glyceryl Tristearate primarily reduces the interfacial tension between immiscible phases, thereby stabilizing oil-in-water or water-in-oil emulsions. It also forms a protective, non-occlusive film on the skin's surface, contributing to its emollient properties by smoothing and softening, and its humectant function by attracting and retaining moisture.

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

Polyethylene glycols and their derivatives exhibit a wide range of solubility and viscosity profiles. They are generally recognized for their chemical stability and are not typically prone to microbial degradation, potentially reducing the reliance on additional preservatives in formulations.

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has deemed PEG Stearates, including related compounds like PEG-10 Stearate, safe for cosmetic applications at current usage levels and concentrations. However, it is crucial to avoid using PEGs and their derivatives on compromised or damaged skin, such as burn wounds, due to documented instances of potential sensitization and nephrotoxicity. While a specific maximum concentration for PEG-10 Glyceryl Tristearate is not detailed, general PEG Stearates are considered safe up to 25%. Manufacturers are advised to rigorously control and minimize potential impurities, including ethylene oxide and 1,4-dioxane, which can arise during the manufacturing process.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

PEG-10 Glyceryl Tristearate is a valuable ingredient primarily for its emulsifying properties, supported by its emollient and humectant benefits, and is considered safe for use on intact skin with careful attention to impurity control.

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