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PEG-78 GLYCERYL COCOATE.

Valuable CAS - / SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

PEG-78 Glyceryl Cocoate is a versatile ethoxylated ester derived from coconut oil and glycerin, recognized for its multi-functional properties in skincare. It primarily acts as a surfactant and emulsifier, enabling effective cleansing and stable ingredient blending. Additionally, it offers emollient and conditioning benefits, contributing to skin hydration and smoothness.

Summary

Surfactant Emulsifying Agent Emollient Solubilizer Conditioning Agent Superfatting Agent Foam Enhancer

Science

Mechanism of Action

This ingredient functions scientifically to improve skin health and formulation stability. As a surfactant, it lowers surface tension, allowing water to effectively mix with and remove oil and impurities for thorough cleansing. Its role as an emulsifying agent stabilizes disparate oil and water phases, preventing separation in cosmetic products. Furthermore, PEG-78 Glyceryl Cocoate delivers emollient properties by forming a lubricating film on the skin's surface, which enhances softness, smooths texture, and supports the skin's natural barrier function to lock in moisture. It also serves as a solubilizer for oil-soluble components in water-based formulas and provides conditioning benefits to both skin and hair.

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 5 – 8
0 7 14

Stability

PEG-78 Glyceryl Cocoate demonstrates optimal stability within a pH range of 5.0 to 8.0, making it suitable for a wide array of cosmetic formulations. It exhibits reduced stability in highly acidic or alkaline conditions. This ingredient also contributes to formulation stability by preventing the separation of oil and water phases and shows good compatibility with various anionic and amphoteric surfactants, enhancing overall product performance.

Synergies

  • Anionic surfactants
  • Amphoteric surfactants
  • Various active ingredients

Conflicts

  • Strong acids
  • Strong alkalis

Safety

Safety Profile

CIR Status
Safe as used
Max tested
10%
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel, in a 2020 assessment, affirmed PEG-78 Glyceryl Cocoate as safe for use in rinse-off products and at concentrations up to 10% in leave-on formulations. While the ethoxylation process may yield 1,4-dioxane, a potential byproduct, this impurity is controlled and minimized through stringent purification during manufacturing, with levels monitored by the FDA. A specific caution is advised for products containing PEGs when applied to non-intact skin, as kidney toxicity was observed in burn patients treated with PEG-containing antibacterial ointments, though this was not noted on healthy, intact skin.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

PEG-78 Glyceryl Cocoate is a valuable multi-functional ingredient, widely recognized for its effective cleansing, emulsifying, and skin-conditioning benefits across all skin types, with a low risk of irritation or comedogenicity.

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