Science
Mechanism of Action
It is a hydrophobically modified alkali-swellable acrylic emulsion (HASE). Upon neutralization, it swells in water to form a viscosity-increasing network and stabilizes oil-in-water emulsions by coating oil droplets and providing emulsification without traditional surfactants.
Research
Clinical Evidence
High confidenceN/A
Key findings
- 01 3V Sigma Technical Report & CIR Safety Assessment (2011)
- 02 Safety Data Sheet (SDS) / UL Prospector
Transparency
Dusting Analysis
No specific data regarding dusting behavior or potential for accumulation was found in the provided research.
The Formula
Formulation
Stability
Maximum thickening efficiency occurs around pH 7.0, with stability over a broad range (pH 4-12). Gels are stable against microbial growth but require preservatives and lose viscosity if exposed to high UV light without absorbers.
Conflicts
- High shear mixing after neutralization
- High electrolyte concentrations
- Polymerization in benzene (impurity risk)
Safety
Safety Profile
The CIR Expert Panel found it safe, provided polymerization does not occur in benzene due to residual benzene concerns. It is generally formulated to be non-irritating.
Your Skin
Skin Compatibility
Our Assessment
Verdict
This versatile crosspolymer is a valuable ingredient for improving formulation stability, rheology, and skin feel across various product types, with a strong safety profile.
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References
Sources