Science
Mechanism of Action
It functions by creating a continuous, protective film upon application to the skin, hair, or nails, enhancing product longevity and performance.
Research
Clinical Evidence
Insufficient-data confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Similar polyurethane polymers demonstrate stability and minimal hydrolysis in a pH range of 4-9. No known incompatibilities are reported, with viscosity and MEHQ content below 100 ppm being considerations for nail polish formulations.
Safety
Safety Profile
The CIR Expert Panel deems this class safe when formulated to be non-irritating. While concentrated forms may irritate, finished products are often 'Irritant Free' due to the copolymer's larger, less reactive nature compared to sensitizing monomers.
Your Skin
Skin Compatibility
Our Assessment
Verdict
This film-forming copolymer is a valuable ingredient, particularly for nail and other film-forming cosmetics, offering a low irritancy profile when correctly formulated.
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