Science
Mechanism of Action
Forms interlocking polymer chains that create a continuous, flexible film barrier on skin surfaces, effectively trapping pigments and active ingredients while providing water-resistance and opacity to formulations
Research
Clinical Evidence
High confidence30%
Key findings
- 01 30% concentration demonstrated practically non-irritating properties in ocular irritation testing (CIR 2018)
- 02 Concentrations exceeding 50% showed no significant systemic toxicity due to large molecular weight preventing skin penetration (CIR Final Report)
Transparency
Dusting Analysis
As a film-forming polymer, this ingredient serves essential functional purposes that cannot be easily replicated by trace amounts
The Formula
Formulation
Stability
Requires alkaline conditions for stability; supplied as 30% aqueous dispersion; susceptible to acid-shock precipitation below neutral pH
Synergies
- UV filters
- pigments
- film-forming agents
Conflicts
- cationic surfactants
- strong acids
- multivalent metal ions (calcium, magnesium)
Safety
Safety Profile
Primary safety concern involves potential residual monomer contamination, though cosmetic-grade materials maintain strict control at <20 ppm
Your Skin
Skin Compatibility
Our Assessment
Verdict
A reliable film-forming polymer that enhances product performance and longevity with excellent safety profile across all skin types.
Related
Similar Ingredients
Finding similar ingredients…
References
Sources