Science
Mechanism of Action
Its positive charge electrostatically attracts to negatively charged skin and hair surfaces, forming a thin, continuous film. This film provides lubrication and moisture retention, while also acting as a 'bridge' to improve the deposition of beneficial actives.
Research
Clinical Evidence
High confidence5%
Key findings
- 01 Effectively improves the delivery and retention of beneficial oils and actives on keratinous surfaces (skin and hair) in surfactant systems at 0.1% - 1.5%.
- 02 Demonstrated efficacy as a rheology modifier and film-former, providing a smooth, non-greasy skin feel and enhancing complex emulsion stability at 0.5% - 5.0%.
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Highly stable across a very wide pH range (2-12). Its cationic nature ensures excellent compatibility with cationic and non-ionic surfactants.
Synergies
- Cationic and non-ionic surfactants (for compatibility)
- Anionic surfactants (can form polyelectrolyte complexes for thickening and deposition)
Conflicts
- Highly anionic thickeners (e.g., Carbomer) if not formulated carefully, may cause precipitation
- High electrolyte/salt concentrations can reduce thickening efficiency
Safety
Safety Profile
CIR (2012) concluded it is safe when formulated to be non-irritating. Residual acrylamide monomer must be kept below 5 ppm in final formulas (0.1 mg/kg for leave-on, 0.5 mg/kg for rinse-off, per EU regulations).
Your Skin
Skin Compatibility
Our Assessment
Verdict
This versatile cationic polymer is valuable for its ability to enhance active delivery, improve formulation stability, and provide a superior skin feel across diverse product types.
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References
Sources