Science
Mechanism of Action
This ingredient primarily operates as a surfactant, effectively lowering surface tension to allow for the uniform dispersion of oil and water components. As a cleansing agent, it helps lift and wash away dirt and oils from skin and hair. Its emulsifying properties enable the creation of stable cosmetic formulations by blending immiscible liquids. Furthermore, it acts as a solubilizer for various cosmetic ingredients like fragrances and active compounds, and contributes to moisture retention as a humectant while improving product texture.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Polyethylene glycols, including this derivative, demonstrate inherent stability across a wide range of thermal, acidic, and alkaline conditions. Its resistance to microbiological degradation can potentially reduce the necessity for extensive preservative systems in formulations.
Conflicts
- Its ethoxylation manufacturing process, which may lead to 1,4-dioxane impurities, renders it unsuitable for certified organic cosmetic formulations.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel deems this ingredient and similar PEGylated glyceryl cocoates safe for use in rinse-off products and at concentrations up to 10% in leave-on formulations, based on ocular and sensitization data. However, it is cautioned against application on damaged skin. Manufacturers are also urged to diligently minimize impurities such as ethylene oxide and 1,4-dioxane from the final ingredient.
Your Skin
Skin Compatibility
Our Assessment
Verdict
PEG-28 Glyceryl Tallowate is a valuable multi-functional ingredient for formulation stability and cleansing, provided its use adheres to concentration limits and avoids damaged skin.
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References
Sources