Science
Mechanism of Action
This ingredient operates on multiple fronts. Its core tocopherol component functions as a potent antioxidant, actively neutralizing free radicals to shield skin from oxidative stress and environmental damage, including that induced by UV radiation. The 'eth' (tocophereth) modification, through ethoxylation, enhances its ability to integrate oil-soluble tocopherol into water-based formulations by acting as a solubilizer and emulsifier. Furthermore, the polypropyleneglycol (PPG) derivative contributes significantly to its role as a humectant and skin conditioning agent, supporting skin hydration and offering soothing properties.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
The active tocopherol component is susceptible to oxidation. To enhance both product and skin benefits, formulators often incorporate other antioxidants in conjunction with PPG-20 TOCOPHERETH-50.
Synergies
- Other antioxidants
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has deemed the broader class of tocopherols and tocotrienols, which includes this ingredient's active component, as safe for use in cosmetics. Similarly, a predecessor to the SCCS, the SCCNFP, found no threat to human health from alpha-tocopherol acetate, another tocopherol derivative, proposing no usage restrictions.
Your Skin
Skin Compatibility
Our Assessment
Verdict
PPG-20 TOCOPHERETH-50 is a valuable multi-functional ingredient, offering antioxidant and conditioning benefits alongside crucial formulation support as an emulsifier and solubilizer across various skin types.
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References
Sources