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PEG-12 DIOLEATE.

Valuable CAS 9005-07-6 / 52668-97-0 / SURFACTANT - EMULSIFYING

PEG-12 Dioleate is a versatile ingredient primarily functioning as an oil-in-water (O/W) emulsifier, ensuring formulation stability and texture. It also delivers emollient and skin conditioning benefits, contributing to a soft and smooth epidermal feel. The ingredient aids in moisture retention, particularly beneficial for dry skin.

Summary

Emulsifying Emollient Skin Conditioning

Science

Mechanism of Action

This ingredient operates as a primary oil-in-water (O/W) emulsifier and co-emulsifier, facilitating the homogeneous blending of immiscible oil and water phases to create stable cosmetic formulations. Beyond its role in structural integrity, PEG-12 Dioleate acts as an emollient and conditioning agent, enhancing skin suppleness and smoothness. As a derivative of polyethylene glycol, it can form hydrogen bonds with water molecules, thereby supporting moisture retention and reducing water evaporation from the skin.

Research

Clinical Evidence

Insufficient-data confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

Information regarding 'dusting' properties or specific concentration thresholds for concern in typical formulation scenarios was not identified in the provided research data.

The Formula

Formulation

Solubility
Both
Optimal pH 5.5 – 7
0 7 14

Stability

PEG-12 Dioleate demonstrates optimal stability within a neutral to slightly acidic pH range of 5.5 to 7.0, which makes it highly compatible with most personal care product systems.

Conflicts

  • Application on severely compromised skin, such as second or third-degree burns, should be avoided due to significantly increased penetration and potential for irritation.
  • Formulators must be aware of potential contamination concerns from toxic impurities like ethylene oxide and 1,4-dioxane, necessitating quality control measures.

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has concluded that PEG dioleates, including PEG-12 Dioleate, are safe for use in cosmetic products. When applied to intact skin, it is generally considered minimally irritating and not a sensitizer. However, its use on severely damaged skin (e.g., second and third-degree burns) is not recommended due to significantly increased penetration and potential for irritation. There are considerations regarding the potential presence of trace contaminants such as 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-12 Dioleate is a valuable multi-functional ingredient, effectively stabilizing formulations as an emulsifier while providing emollient and conditioning benefits suitable for all skin types, provided it is not applied to severely damaged skin and purity standards are maintained.

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