Enhanced Near‐Infrared Shielding and Light Scattering Using Surface‐Roughened Hybrid Hollow Microparticles Synthesized with Polymer and TiO₂@Al(OH)₃ for Cosmetic Applications

Abstract

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Review on Synthesis of Colloidal Hollow Particles and Their Applications

“…The incorporation of hybrid HL particles comprised of submicron TiO 2 @Al­(OH) 3 particles embedded in P­(MMA- co -EGDMA) matrix in cosmetic formulation provided the NIR shielding and light scattering effects for sunscreen. However, they are still not commercially available …”

Porous Polymer Particles with Tunable Surface Roughness by Combining Phase Separation and Interfacial Instability

“…Polymer microspheres have been widely used in many fields, including medicine, , chemical industry, enzyme carriers, physical adsorption, and cosmetics . In particular, porous particles or capsules have attracted increasing attention. , Numerous studies have been executed to regulate the size, shape, and density of pores. − However, engineering the surface morphology of porous particles has rarely been reported .…”

“…The surface morphology of particles plays a key role in determining their performance. Compared to smooth particles, rough particles have a greater specific surface area, and the surface micro-/nanostructures make the particles more useful in the applications of enzyme carriers, physical adsorption, and cosmetics . Several physical and chemical techniques have been developed for processing the surface structure of solid polymer particles; − however, studies on applying these techniques to control the surface morphology of porous polymer particles are rare.…”