Science
Mechanism of Action
This ingredient functions synergistically through its two primary components. The PEG-20 segment provides humectant properties, actively attracting and binding water to the skin for enhanced moisture retention. Concurrently, the Evening Primrose Glycerides component supplies beneficial fatty acids, notably linoleic acid and gamma-linolenic acid (GLA), which are instrumental in fortifying the epidermal barrier, regulating transepidermal water loss (TEWL), promoting skin regeneration, and improving overall skin smoothness.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
As an effective emulsifier and solubilizer, it aids in stabilizing oil-in-water emulsions, ensuring product integrity. The PEG-20 portion itself is recognized for its inherent stability, possessing a faint odor and a waxy consistency.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has concluded that PEG-20 Evening Primrose Glycerides, as part of PEGylated alkyl glycerides, is 'safe as used in cosmetics when formulated to be non-irritating'. No specific maximum concentration is stipulated, with the emphasis placed on appropriate formulation practices to mitigate potential irritation. While no specific SCCS status was found, the FDA has approved PEG-20 (polyethylene glycol 1000) as an indirect food additive. Manufacturers are ultimately responsible for ensuring the safety of their cosmetic products.
Your Skin
Skin Compatibility
Our Assessment
Verdict
PEG-20 Evening Primrose Glycerides is a valuable ingredient for its dual benefits, effectively stabilizing formulations while actively enhancing skin hydration and barrier function through essential fatty acids.
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References
Sources