Science
Mechanism of Action
As an emulsifier, PEG-9 Borageate effectively stabilizes disparate oil and water phases, allowing them to form a uniform, consistent mixture within cosmetic formulations. Structurally, as a polyethylene glycol (PEG) derivative, it functions as a humectant by drawing and binding water molecules through hydrogen bonding, thereby bolstering skin hydration and minimizing transepidermal water loss. Furthermore, it contributes to skin softness and lubrication as an emollient, and its amphiphilic character may facilitate improved dermal penetration for other active compounds.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
PEG-9 Borageate, characteristic of many PEG emulsifiers, is anticipated to exhibit robust stability across a broad pH spectrum and in the presence of electrolytes. Its amphiphilic nature ensures solubility in both aqueous and various organic solvent systems, offering significant versatility in product development.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has assessed ingredients within the broader Alkyl PEG Ethers category, which includes PEG-9 Borageate, deeming them safe for cosmetic applications provided they are formulated to be non-irritating. While generally considered non-toxic and approved by the FDA for various uses, it is crucial to note that PEGs of all molecular weights can potentially penetrate compromised or injured skin, suggesting caution in such circumstances.
Your Skin
Skin Compatibility
Our Assessment
Verdict
PEG-9 Borageate is a valuable ingredient, serving as an effective emulsifier while also imparting humectant and emollient properties to enhance skin feel and hydration in formulations.
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References
Sources