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🧴 Cosmetic Emulsion & Skin Barrier Lab

Interactive 3D cosmetic chemistry lab: build an oil-in-water or water-in-oil emulsion and watch emulsifier molecules line up at the oil/water interface by HLB, then run a penetration test through a stratum-corneum brick-and-mortar cross-section using the Potts-Guy skin-permeability equation.

Chemistry & Materials3DAdvanced60 FPS💧 Water

Details

CategoryChemistry & Materials

RenderingThree.js · WebGL

DifficultyAdvanced

Target FPS60

ControlsO/W and W/O buttons switch the emulsion type, rebuilding droplets and repositioning emulsifier head/tail chains at the interface and updating the HLB range shown; molecular-weight slider (18-750 Da) and log Kow polarity slider (-3 to 5) resize and recolor the test molecule and recompute the Potts-Guy permeability; Start penetration test animates the molecule zig-zagging through the stratum-corneum lipid matrix at a speed set by the computed Kp; Reset restores defaults.

Three.jsChemistryCosmetic ChemistryDermatologyEmulsionHLBSkin BarrierPotts-Guy Equation

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⚙ Under the hood

Interactive 3D cosmetic chemistry lab: switch between an oil-in-water (O/W) and a water-in-oil (W/O) emulsion and watch emulsifier molecules line up head-out/tail-in at each droplet's oil-water interface by HLB (Hydrophile-Lipophile Balance). Set a test molecule's molecular weight and log Kow polarity, then run a penetration test that carries it through a stratum-corneum brick-and-mortar cross-section (corneocytes plus ceramide lipid matrix), with crossing speed driven by the real Potts-Guy skin-permeability regression and an occlusion boost for W/O emulsions.

Three.jsChemistryCosmetic ChemistryDermatologyEmulsionHLBSkin BarrierPotts-Guy Equation

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