Science
Mechanism of Action
This copolymer forms a continuous, flexible, water-resistant film on the skin, enhancing product longevity and stabilizing pigments. In formulations, it modifies rheology by thickening aqueous systems and suspending particles to prevent separation.
Research
Clinical Evidence
High confidenceN/A
Key findings
- 01 CIR Amended Safety Assessment of Acrylates Copolymers (2018)
- 02 FDA/CIR Safety Data Sheet (2002/2018)
Transparency
Dusting Analysis
There is no information to suggest this ingredient is commonly 'dusted' or used below effective concentrations for its intended functions.
The Formula
Formulation
Stability
Typically supplied as an aqueous emulsion, it performs optimally between pH 6.3 and 8.0, maintaining stability up to pH 11. It is sensitive to high concentrations of electrolytes.
Conflicts
- Cationic ingredients (can cause precipitation or loss of viscosity)
- High concentrations of electrolytes/salts
- Strongly acidic environments (pH < 5.5 may cause instability/precipitation)
Safety
Safety Profile
The CIR Expert Panel deems it safe when formulated to be non-irritating. Residual monomers are strictly controlled during manufacturing to minimize potential concerns.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Ammonium Acrylates Copolymer is a valuable ingredient for enhancing product texture, stability, and wear, with a strong safety profile and broad skin compatibility.
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