Science
Mechanism of Action
Forms high-molecular-weight polymer networks when combined with hydrocarbons or oils, creating a cushioning film that remains on the skin surface due to its large molecular size, reducing trans-epidermal water loss while maintaining breathability and improving product glide
Research
Clinical Evidence
High confidence1%
Key findings
- 01 Human Repeated Insult Patch Test with 117 subjects showed no allergic contact dermatitis or sensitization reactions
Transparency
Dusting Analysis
Functional ingredient with established safety profile at typical use concentrations
The Formula
Formulation
Stability
Stable under ambient conditions and chemically inert across broad pH ranges, best incorporated in oil phase as anhydrous gelling agent
Synergies
- Hydrocarbons
- Oils
- Other gelling agents
Conflicts
- Strong oxidizing agents
- Strong acids
- Strong bases
Safety
Safety Profile
CIR Expert Panel concluded styrene and vinyl-type styrene copolymers are safe in present practices of use
Your Skin
Skin Compatibility
Our Assessment
Verdict
Well-tolerated functional ingredient that effectively enhances product texture and performance across all skin types with minimal safety concerns.
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References
Sources