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PEG-6 OLEAMIDE.

Valuable CAS 26027-37-2 / SURFACTANT - EMULSIFYING

PEG-6 Oleamide is a synthetic ingredient, a polyoxyethylenated oleic acid amide, that serves primarily as a surfactant and emulsifying agent in cosmetic formulations. Its key function is to enable the stable blending of oil and water phases, contributing to uniform product consistency and efficient application.

Summary

emulsifying agent surfactant

Science

Mechanism of Action

This ingredient functions by reducing the surface tension between immiscible liquids, thereby acting as a surfactant. As an emulsifier, it stabilizes oil-in-water or water-in-oil systems, preventing phase separation and promoting a homogeneous mixture. This mechanism facilitates smooth product texture and supports the even distribution and absorption of other components on the skin.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

Information regarding the 'dusting' behavior of PEG-6 Oleamide is not available in the provided research data.

The Formula

Formulation

Solubility
Both
Optimal pH 6 – 8
0 7 14

Stability

The chemical structure of PEG-6 Oleamide, specifically the double bond in its oleic acid portion and the ether linkages in its PEG chain, makes it susceptible to oxidation when exposed to oxygen, light, and certain metal ions, potentially forming peroxides, aldehydes, and carboxylic acids. Hydrolytic degradation can also occur outside its optimal pH range. Additionally, exceeding the ingredient's solubility limit at storage temperatures may lead to crystallization or precipitation within the formulation.

Conflicts

  • strong oxidizers
  • strong acids
  • strong bases
  • metal ions

Safety

Safety Profile

CIR Status
Safe with restrictions
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel concluded that PEG-6 Oleamide and similar alkoxylated fatty amides are safe for use in cosmetics, provided formulations are designed to be non-irritating. While specific maximum concentration data was not detailed, the safety assessment is based on current cosmetic use practices. General PEG compounds are not typically skin sensitizers for intact skin; however, they can be absorbed through damaged skin, which has been associated with contact dermatitis in burn patients. Formulators should also be aware of the potential for trace impurities, such as 1,4-dioxane, often associated with PEG compounds.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

PEG-6 Oleamide is a valuable functional ingredient for achieving stable and well-textured cosmetic formulations, serving as an effective emulsifier and surfactant when incorporated into non-irritating products within its specified pH range.

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