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Moumoujus

PEG-6 ISOSTEARATE.

Valuable CAS 56002-14-3 / SURFACTANT - EMULSIFYING

PEG-6 Isostearate is a polyethylene glycol derivative primarily recognized for its robust emulsifying capabilities, which stabilize the blend of oil and water phases in cosmetic formulations. It also functions as a humectant, drawing moisture to the skin, and improves overall product texture and active ingredient delivery.

Summary

Emulsifying Surfactant Humectant Solvent Emollient Consistency Enhancer Binding Agent Softening Agent Fixative Carrier

Science

Mechanism of Action

This ingredient operates mainly as an emulsifier, effectively creating and maintaining stable oil-in-water emulsions, essential for uniform product consistency. Its surfactant properties contribute to the even application and optimized absorption of formulas on the skin. As a PEG compound, it serves as a humectant, attracting and retaining moisture on the skin's surface to enhance hydration. Additionally, it acts as a solvent and carrier, dissolving and facilitating the delivery of active ingredients, fragrance oils, and colorants within a cosmetic matrix. Its presence in various creams and lotions suggests inherent emollient qualities, promoting a softer and smoother skin feel.

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

PEG-6 Isostearate generally exhibits strong chemical stability. While specific pH optimal ranges are not available for this exact compound, related PEG Stearates maintain stability within a pH range of 5.0 to 7.5 for a 1% aqueous solution. Stringent quality control during manufacturing is crucial to mitigate potential contamination by 1,4-dioxane. Formulators should evaluate its influence on the efficiency and absorbability of other active ingredients on a case-by-case basis.

Conflicts

  • Not compatible with COSMOS-certified organic cosmetic standards due to its synthetic origin and ethoxylation process.

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 Stearates, a category including closely related compounds, are safe for use in cosmetics. Clinical assessments indicated that these compounds were neither irritants nor sensitizers at concentrations up to approximately 25%. A previous cautionary statement regarding the use of PEGs on compromised skin was removed by the CIR Panel in 2010. Although generally safe, there is a recognized concern regarding potential trace contamination by 1,4-dioxane, a manufacturing byproduct, which necessitates proper quality control. The FDA also designates PEGs as safe for specific general or limited food uses. No specific SCCS status for PEG-6 Isostearate was identified.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

PEG-6 Isostearate is a valuable, multi-functional ingredient that significantly enhances product formulation stability and texture, possessing a strong safety profile at concentrations up to 25%.

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