Science
Mechanism of Action
Primarily, this copolymer operates as a film-forming agent, depositing an imperceptible, continuous layer on the skin's surface. This barrier effectively reduces transepidermal water loss (TEWL) by preventing moisture evaporation, thus supporting skin hydration and offering a degree of protection against minor external irritants. Within a formulation, it acts as a bulking agent, potentially reducing product density, and contributes significantly to the overall stability and tactile experience, yielding an elastic and smooth product feel.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Its synthetic nature ensures manufacturing consistency and contributes to improved formula stability. The presence of ethylidene norbornene units can influence chain mobility, affecting crystallinity, and residual phenol antioxidants further enhance its thermooxidative stability.
Safety
Safety Profile
Generally recognized as safe for cosmetic use by regulatory bodies such as the U.S. FDA and the EU Cosmetics Directive, this high molecular weight polymer rarely causes adverse reactions. While specific data for pregnancy is not provided, high molecular weight polymers are not typically associated with significant acute health risks. Moumoujus always recommends performing a sensitivity test due to potential individual variability. Related compounds are also approved by the FDA for specific food contact applications.
Your Skin
Skin Compatibility
Our Assessment
Verdict
A valuable film-forming polymer that enhances skin hydration through barrier support and improves cosmetic formula stability and texture, demonstrating a generally low sensitization risk for various skin types.
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