Science
Mechanism of Action
The ingredient creates an even, cohesive polymeric film on the skin's surface, characterized by an optimal balance of adhesion and stickiness. This film actively works to mitigate damage from external factors such as chemicals, UV radiation, and pollution. It significantly extends the wear and durability of cosmetic formulations, preventing common issues like smudging in foundations and flaking in mascaras. Furthermore, the formed film possesses water-binding properties, thereby supporting enhanced skin hydration.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel deems acrylates copolymers, including this ingredient, safe for cosmetic use when formulated to prevent irritation. A crucial concern is the presence of toxic residual monomers, specifically styrene (a possible carcinogen) and 2-ethylhexyl acrylate. While the systemic absorption of the full copolymer is considered low, diligent efforts must be made to reduce residual monomer levels to the lowest possible value. For related nano forms (e.g., Styrene/Acrylates copolymer (nano)), the SCCS has indicated insufficient data to confirm safety at concentrations up to 0.06%. The polymers themselves are not significantly toxic, provided residual monomer levels are minimized, though dermal irritation is a possibility if not properly controlled.
Your Skin
Skin Compatibility
Our Assessment
Verdict
This film-forming copolymer is valuable for enhancing cosmetic durability, providing environmental protection, and offering hydration support, provided formulations strictly minimize residual monomer content for optimal user safety.
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References
Sources