Science
Mechanism of Action
This polymer forms a continuous, durable film on the skin's surface, enhancing adhesion and mechanical stability compared to standard cellulose esters. The film provides a barrier function that regulates moisture and can facilitate sustained ingredient release.
Research
Clinical Evidence
High confidence25%
Key findings
- 01 Clinical studies demonstrate it is nonirritating to mildly irritating, nonsensitizing, and nonphotosensitizing at concentrations up to 100%.
- 02 Pharmaceutical research found 25-40% concentrations effective for forming solid-like matrices for sustained drug release over 7 days in situ gels.
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Highly stable under UV exposure, resisting yellowing and hazing. Exhibits excellent thermal stability up to 230°C and is chemically resistant to water and many oils.
Conflicts
- Water (practically insoluble)
- Low molecular weight alcohols (limited solubility unless modified)
Safety
Safety Profile
The CIR Expert Panel deems it safe for cosmetic use. It shows practical non-toxicity via dermal and oral routes and is an FDA-approved indirect food additive.
Your Skin
Skin Compatibility
Our Assessment
Verdict
This highly stable and safe film-forming polymer offers significant value in creating durable skin barriers and enabling sustained ingredient release, suitable for various skin types.
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References
Sources