Science
Mechanism of Action
On a molecular level, this copolymer operates as a chelating agent by actively binding to metal ions that could compromise the stability and aesthetic integrity of cosmetic formulations. It dynamically controls product viscosity, allowing for precise textural adjustments. Additionally, it functions as a film former. In cleansing products, a structurally related copolymer has been observed to reduce tackiness, improve spreadability, and enhance lather thickness and slipperiness.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
This polymer demonstrates robust stability across a wide pH range, performing optimally in high pH, highly alkaline, and hard water environments. The AMPS monomer contributes anionic character and enhances both hydrolytic and thermal stability. For specific formulations including organophosphorines and zinc salt, a pH range of 7.0-9.5 is suitable.
Conflicts
- strong oxidants (in solid form)
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has concluded this ingredient, along with related acrylamide/acrylate copolymers, is safe in current cosmetic use and concentrations, a finding re-evaluated in 2022. It exhibits low concerns for cancer, allergies, immunotoxicity, and reproductive toxicity according to EWG. Products formulated with this copolymer are often free of common irritants, fragrances, dyes, and preservatives, indicating its suitability for sensitive skin types. While the raw material in solid form may be irritating to skin, eyes, or the respiratory system, the CIR specifically notes safety when the ingredient is properly formulated to avoid such irritation.
Your Skin
Skin Compatibility
Our Assessment
Verdict
This copolymer is a valuable formulation aid, enhancing product stability and texture with a strong safety profile and broad compatibility for various skin types.
Related
Similar Ingredients
Finding similar ingredients…