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PEG-7 GLYCERYL COCOATE.

Valuable CAS 66105-29-1, 68201-46-7 / SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

PEG-7 Glyceryl Cocoate is a versatile, amphiphilic ingredient expertly designed to integrate oil and water components within formulations. It functions to gently cleanse the skin by effectively lifting impurities while simultaneously providing significant emollient benefits, leaving the skin feeling hydrated, soft, and smooth.

Summary

Emollient Emulsifying Surfactant Solubilizer Cleansing

Science

Mechanism of Action

This ingredient operates via its amphiphilic molecular structure, featuring both hydrophilic (water-attracting) and lipophilic (oil-attracting) regions. As a surfactant, its lipophilic part binds to skin surface oils and impurities, facilitating their detachment, while the hydrophilic part ensures these are effectively rinsed away with water, providing a cleansing action. Concurrently, it acts as an emollient by forming a subtle protective layer on the skin's surface, which diminishes transepidermal water loss and locks in moisture, preventing dehydration. Furthermore, it serves as an emulsifier to stabilize diverse oil-in-water formulations and as a solubilizer to integrate oil-soluble compounds into water-based systems.

Research

Clinical Evidence

High confidence
Effective range 0.5–5%
Optimal

Typically utilized between 0.5% and 5% for its primary functional benefits across various cosmetic applications. Concentrations up to 10% have been validated as safe for leave-on products, where enhanced solubilizing or emulsifying power may be required.

Key findings

  1. 01 Studies indicate an effective usage concentration range of 0.5% to 5% across numerous cosmetic applications, successfully delivering emollient, cleansing, and emulsifying properties.
  2. 02 Higher concentrations, specifically up to 10%, have demonstrated safety for use in leave-on formulations, with no dermal sensitization observed in repeated insult patch tests (e.g., at 8%) and no ocular irritation or sensitization reported in animal tests (at 10%).

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH 5 – 8
0 7 14

Stability

Maintains stability effectively within a pH range of 5.0 to 8.0, with typical formulation pH often targeted between 5.0 and 7.0. Stability is compromised in the presence of strong acids or strong alkalis.

Conflicts

  • strong acids
  • strong alkalis

Safety

Safety Profile

CIR Status
Safe with restrictions
Max tested
10%
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel considers PEG-7 Glyceryl Cocoate safe for use 'as used' in rinse-off products and safe at concentrations up to 10% in leave-on products. The FDA also approves its use in hair and skin care. While the ethoxylation process may theoretically lead to 1,4-dioxane contamination, a possible carcinogen, purification steps during manufacturing effectively mitigate this risk. California Proposition 65 lists warnings for related compounds like ethylene oxide and 1,4-dioxane.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

PEG-7 Glyceryl Cocoate is a highly valuable, multi-functional ingredient, offering effective cleansing and moisturizing properties while enhancing formulation stability and solubility with a low risk of irritation and broad skin type compatibility.

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