This shader mimics the look of aged or unclean glass surfaces, ideal for adding realistic imperfections and grime to glass materials. Using procedural nodes, it combines transparency with texture layers that simulate dirt, smudges, and streaks. The shader includes adjustable parameters to control the amount and spread of dirt, roughness variations, and reflections, allowing users to tweak the opacity and appearance of grime across the surface. The shader is suitable for adding an authentic, weathered effect to windows, bottles, mirrors, or any glass surface that needs a worn look.