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METHOXY PEG-10 COCOATE.

Valuable CAS 77846-79-8 / CLEANSING, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

Methoxy PEG-10 Cocoate is a sophisticated, multi-functional ethoxylated fatty ester, primarily acting as a solubilizer, humectant, and surfactant. It is precisely engineered to enhance formulation aesthetics and stability, facilitating the uniform dispersion and delivery of key active ingredients across diverse skincare systems.

Summary

Solubilizer Humectant Emulsifying Agent Surfactant Cleansing Agent Formulation Aid

Science

Mechanism of Action

This ingredient functions by significantly lowering surface tension and improving the miscibility of disparate phases. As a solubilizer, it effectively integrates oil-soluble compounds, such as vitamins and UV filters, into aqueous environments, optimizing their bioavailability. Its humectant properties draw and retain moisture, contributing to enhanced skin hydration and a smoother product feel. Operating as an emulsifying surfactant, it forms stable emulsions by reducing interfacial tension between oil and water, preventing phase separation and ensuring product homogeneity. Additionally, its cleansing surfactant action aids in the gentle removal of impurities. It also refines product aesthetics by enhancing solvent-fragrance compatibility, preventing turbidity in sprays, and improving pigment wetting and flow in color cosmetics.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

Methoxy PEG-10 Cocoate significantly improves formulation stability by enhancing clarity, reducing phase separation, and stabilizing emulsions. It is instrumental in solubilizing challenging ingredients like active compounds, co-solvents, fragrances, and UV filters. Its presence supports improved pigment wetting and flow in color cosmetics. Optimal formulation practices are essential to ensure the final product is non-irritating.

Synergies

  • Enhances the solubility and delivery of oil-soluble active ingredients (e.g., vitamins) in water-based formulations.
  • Improves compatibility and stability of solvents, fragrances, and UV filters.
  • Works synergistically with pigments to improve wetting and flow in color cosmetics.

Safety

Safety Profile

CIR Status
Safe as used with restrictions
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel considers Methoxy PEG-10 Cocoate, within the broader group of PEGs cocamine and related ingredients, safe for use in cosmetic formulations under current usage concentrations, provided the final product is non-irritating. This assessment updates a prior 1999 conclusion. A critical aspect of PEG safety involves mitigating potential contamination from residual manufacturing byproducts, specifically ethylene oxide and 1,4-dioxane. Therefore, high-purity sourcing is essential. Notably, a structurally similar compound, PEG-10 Cocoate, holds US FDA designation for specific food applications, indicating a generally favorable toxicological profile when purity standards are met.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Methoxy PEG-10 Cocoate is a highly valuable formulation aid that significantly enhances product texture, stability, and the delivery of active ingredients, provided it is sourced for purity and incorporated into non-irritating formulations.

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