Science
Mechanism of Action
Operating primarily as a film-forming agent, this copolymer deposits an imperceptible, continuous layer upon the skin's surface. This engineered film contributes to the product's residence time, potentially prolonging the action of incorporated active ingredients and imparting a refined, even feel to the formulation.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
While specific pH ranges for this copolymer are not detailed, related acrylate copolymers demonstrate robust stability across a broad pH spectrum, typically from 3 to 12. Maintaining the purity of monomers, particularly hydroxyethyl acrylate, is critical to prevent product instability and undesirable polymer cross-linking. Exposure to temperatures exceeding approximately 80°C should be avoided.
Conflicts
- Compatibility must be meticulously evaluated when formulating with cationic ingredients, as acrylate copolymers are typically anionic and can interact adversely.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel concluded this copolymer is safe in cosmetics when formulated to be non-irritating. Furthermore, stringent restrictions apply to residual acrylamide content: it must not exceed 0.1 mg/kg in body care leave-on products and 0.5 mg/kg in other cosmetic formulations.
Your Skin
Skin Compatibility
Our Assessment
Verdict
This copolymer is a valuable film-forming agent that enhances product durability and texture, provided it is formulated to be non-irritating and adheres to strict residual acrylamide content limits for consumer safety.
Related
Similar Ingredients
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References
Sources