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PEG-6 DISTEARATE.

Valuable CAS 9005-08-7 / SURFACTANT - EMULSIFYING

PEG-6 DISTEARATE is a polyethylene glycol diester of stearic acid, primarily functioning as a versatile emulsifier to stabilize oil and water phases. It also contributes to formula viscosity and aids in solubilizing water-insoluble components, making it crucial for effective cleansing formulations.

Summary

Emulsifying Viscosity controlling Thickener Solubilizer Cleansing agent

Science

Mechanism of Action

This ingredient works by reducing the interfacial tension between immiscible oil and water components, allowing them to blend homogeneously. Its polymeric structure further enhances viscosity, particularly in surfactant systems, and helps suspend water-insoluble substances. In cleansers, it facilitates the emulsification of oils and dirt, enabling easier removal with water.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

PEG-6 DISTEARATE maintains stability in neutral to mildly acidic or alkaline conditions. It is susceptible to hydrolysis in hot alkaline solutions and can undergo saponification when exposed to strong acids or bases.

Conflicts

  • Hot alkaline solutions (hydrolysis)
  • Strong acids or bases (saponification)
  • Salicylates (potential discoloration or precipitation)
  • Phenolic substances (potential discoloration or precipitation)
  • Iodine salts (potential discoloration or precipitation)
  • Salts of bismuth, silver, and tannins (potential discoloration or precipitation)
  • Preservatives (potential for complex formation)

Safety

Safety Profile

CIR Status
Safe as used
Max tested
50%
Sensitization risk Low

The CIR Expert Panel deems PEG-6 DISTEARATE safe for cosmetic use when formulated to be non-irritating. While a specific maximum concentration for PEG-6 DISTEARATE is not provided, related PEG diesters have been safely used in cosmetics at concentrations up to 50%. It shows extremely low ocular or dermal irritation potential on intact skin; however, application to damaged skin should be avoided. Manufacturers must ensure minimal levels of impurities such as residual ethylene oxide and 1,4-dioxane.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

PEG-6 DISTEARATE is a valuable functional ingredient for stabilizing emulsions, increasing viscosity, and aiding in cleansing across various skincare and cosmetic formulations, exhibiting a low risk profile on intact skin.

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