Science
Mechanism of Action
This copolymer utilizes perfluoroalkyl side chains that orient themselves toward the surface, lowering the skin's surface energy. This dual-action polarity allows the film to simultaneously repel water and oils, creating a 'tears-proof' and 'sweat-proof' barrier that prevents product migration or breakdown caused by natural skin secretions.
Research
Clinical Evidence
Medium confidence5%
Key findings
- 01 Concentrations of 2-5% demonstrate an 8-hour window of pigment stability and sebum resistance in long-wear facial and eye formulations.
- 02 Maximum utilization levels of 13% have been evaluated in waterproof mascara for maximum film durability, though safety data at this concentration remains under review.
Transparency
Dusting Analysis
Because its primary function is structural film-forming for long-wear performance, concentrations below 2% rarely provide the necessary mechanical resistance to justify its inclusion.
The Formula
Formulation
Stability
Highly inert and chemically stable; the carbon-fluorine bonds provide exceptional resistance to thermal degradation and oxidation during manufacturing.
Synergies
- Non-aqueous carriers
- Silicone-based pigments
- Isododecane
Conflicts
- Purely aqueous systems
- Low-shear manufacturing processes
Safety
Safety Profile
Classified as a PFAS substance, raising concerns regarding environmental persistence. Potential for skin sensitization exists due to trace residual HEMA monomers.
Your Skin
Skin Compatibility
Our Assessment
Verdict
While technically superior for long-wear performance, its classification as a PFAS and lack of final safety data make it a difficult choice for modern, eco-conscious precision skincare.
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References
Sources