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Sunscreen Nanoparticle UV Filter Simulator

Why sunscreen mineral filters are milled down to nanoscale: size-dependent Mie scattering and bandgap absorption of TiO2/ZnO nanoparticles, live UV-block, visible transparency and photocatalytic ROS readouts.

Nanomedicine & Drug Delivery Materials3DAdvanced60 FPS

Mineral sunscreen filters — titanium dioxide and zinc oxide — work because they are ground down to nanometre scale, not despite it. This simulator renders an instanced field of TiO₂/ZnO nanoparticles on a skin plane and rains UV photons down onto it, computing a real Mie size-parameter and an anomalous-diffraction-theory extinction efficiency for every combination of particle radius and wavelength you choose, alongside a semiconductor bandgap-absorption model that drives the photocatalytic reactive-oxygen-species trade-off a silica surface coating is designed to suppress. Live readouts track the size parameter, extinction efficiency, UV-blocked fraction, visible-light transparency and ROS generation rate as you sweep radius, wavelength, packing density and coating.

⚙ Under the hood

See why mineral sunscreen filters are milled to nanoscale: a real Mie size-parameter and anomalous-diffraction extinction model for TiO2/ZnO nanoparticles, with live UV-block, visible transparency and photocatalytic ROS-safety readouts.

nanotechnologycosmeticssunscreenopticsmaterials-sciencephotocatalysis

3D · Three.js / WebGL renderer · 60 FPS target · runs fully client-side, no install