Science
Mechanism of Action
This crosslinked polymer operates primarily as an absorbent and texture enhancer. Its unique porous microsphere structure, known as Microsponge® technology, allows it to absorb excess sebum, effectively minimizing greasy shine and contributing to oil control. Additionally, it provides a silky feel to products and can optically blur imperfections like fine lines by scattering light. Crucially, it enables the controlled, sustained delivery of active ingredients, enhancing their efficacy and minimizing potential irritation.
Research
Clinical Evidence
Insufficient-data confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
When formulated as porous microspheres, often referred to as Microsponge® technology, it can enhance formula stability by enabling the gradual release of active ingredients.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel reaffirmed its safe use in cosmetic formulations, with reviewed concentrations up to 1.6%. The panel's assessment, which included considering FDA approval for a related polymer (Polymethyl Methacrylate) in medical devices, concluded that the polymer's large molecular size prevents skin penetration, further supporting its safety, especially when monomer levels are maintained below 100 ppm and formulations are non-irritating.
Your Skin
Skin Compatibility
Our Assessment
Verdict
This ingredient is valuable for its multifunctional benefits, offering superior oil control, texture refinement, and enhanced active ingredient delivery with a strong safety profile.
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