Science
Mechanism of Action
This ingredient functions predominantly as an emulsifier, stabilizing oil-in-water or water-in-oil mixtures within cosmetic formulations. As a derivative of polyethylene glycol (PEG), it contributes to skin hydration by forming hydrogen bonds with water molecules, facilitating gradual moisture delivery, and creating a surface barrier to mitigate transepidermal water loss. Broader categories of PEGylated alkyl glycerides, to which this compound belongs, are also recognized for their ability to improve the cutaneous penetration of co-formulated active ingredients.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
While its non-PEGylated counterpart, Glyceryl Trioleate, is known to be sensitive to air and light, the PEGylation process in PEG-25 Glyceryl Trioleate may enhance its overall stability. It should be kept away from strong oxidizing agents.
Conflicts
- strong oxidizing agents
- use on compromised or damaged skin
Safety
Safety Profile
The CIR Expert Panel concluded that related PEGylated alkyl glycerides are safe for rinse-off products and safe at concentrations up to 10% in leave-on products, provided the final formulation is non-irritating. It is crucial to avoid use on damaged or compromised skin, as evidence suggests sensitization and potential nephrotoxicity in burn patients treated with PEG-based preparations. Furthermore, potential concerns exist regarding contamination by manufacturing impurities such as ethylene oxide and 1,4-dioxane. This ingredient also holds FDA approval for general or specific, limited food uses.
Your Skin
Skin Compatibility
Our Assessment
Verdict
PEG-25 Glyceryl Trioleate is a valuable multi-functional ingredient offering emulsifying properties, skin hydration, and potential penetration enhancement, but its use requires careful formulation and strict avoidance on compromised skin.
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