Science
Mechanism of Action
This ingredient primarily functions as an emulsifier, enabling the stable incorporation of disparate oil and water phases within a formulation, critical for elegant textures. On the skin, it exhibits humectant properties, drawing atmospheric moisture to the stratum corneum to support hydration. Its role also extends to solubilizing other formulation components and enhancing overall product rheology and stability.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
As a PEG derivative, it exhibits good inherent stability and is generally resistant to microbial degradation, thus often not necessitating extra preservation. Its presence can optimize rheological properties and overall product viscosity.
Conflicts
- Potential for 1,4-dioxane contamination necessitates rigorous purification during manufacturing.
- Requires careful consideration for use on compromised or injured skin, as it may augment the penetration of other active ingredients.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel assessed the safety of 60 PEGylated alkyl glycerides, including this ingredient, concluding they are safe in current uses and concentrations when formulated to be non-irritating. PEGs exhibit low oral and dermal toxicity. A key consideration is the potential for 1,4-dioxane contamination, a byproduct of ethoxylation, which must be controlled through purification. Furthermore, due to its ability to enhance penetration of other ingredients, caution is advised when using products containing this ingredient on compromised or injured skin.
Your Skin
Skin Compatibility
Our Assessment
Verdict
This versatile PEG derivative is a valuable multifunctional ingredient, recognized as safe for cosmetic use when formulated to be non-irritating and purified to control 1,4-dioxane levels, though care is warranted on compromised skin.
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