Science
Mechanism of Action
It forms a thin, continuous film to prevent moisture absorption and maintain structural integrity. The polymer also acts as a binder, offering styling properties like firmness, shine, humidity resistance, antistatic effects, and potential UV protection.
Research
Clinical Evidence
Medium confidenceN/A
Key findings
- 01 No skin irritation or sensitization observed in human repeated insult patch tests (HRIPT).
- 02 Effective for normal to strong hair fixation in hair-setting applications.
Transparency
Dusting Analysis
This ingredient is commonly found in aerosol and pump hair sprays, indicating potential for incidental inhalation during application.
The Formula
Formulation
Stability
Solubility is pH-dependent, becoming water and solvent soluble when neutralized. It exhibits stability at 120°-140°C for short durations, but extended storage in lead-soldered containers is not recommended.
Conflicts
- Propane
- Butane
- Lead-soldered containers (for long-term storage)
- Strong oxidizing agents
- Strong reducing agents
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel reaffirmed its safety in 2023 for concentrations up to 5.2% in cosmetic applications. No specific SCCS opinion for this exact copolymer was found.
Your Skin
Skin Compatibility
Our Assessment
Verdict
This valuable film-forming and binding agent, also a potential UV absorber, is deemed safe at concentrations up to 5.2% and suitable for various cosmetic applications.
Related
Similar Ingredients
Finding similar ingredients…
References
Sources