Science
Mechanism of Action
It acts as an associative thickener, where hydrophobic ceteareth-25 chains form physical crosslinks with non-polar components. The acrylate backbone provides a salt-tolerant thickening network upon neutralization, optimizing rheology.
Research
Clinical Evidence
Medium confidenceN/A
Key findings
- 01 Studies indicate that HASE polymers with ceteareth-25 methacrylate effectively modify rheology and control viscosity in aqueous alkaline systems, even at low concentrations (0.1% - 1.0%).
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Requires neutralization with a base (e.g., NaOH, TEA) to initiate thickening. It remains stable in high-surfactant environments and is compatible with numerous cosmetic oils and silicones.
Synergies
- Cosmetic oils
- Silicones
- Surfactants
Conflicts
- Low pH systems (below 6.0)
- High concentrations of electrolytes/salts
- Cationic ingredients
Safety
Safety Profile
Reviewed as part of the broader 'Acrylates Copolymers' group. Safe when formulated to be non-irritating and residual monomers like methacrylamide are kept below 100 ppm.
Your Skin
Skin Compatibility
Our Assessment
Verdict
A valuable viscosity-controlling and film-forming polymer, compatible with all skin types and effective at low concentrations, enhancing product texture and stability.
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References
Sources