Chrome; short for chromium, refers to the plating. Chrome plating is encrusted on a metal core. It consists completely of chromium and is not an alloy. Chrome is typically polished and very shiny. The finish on a shower system is purely an aesthetic choice, and options are surprisingly diverse, from shiny chrome to warm brass to trendy matte black. Finishes offer many opportunities to modify the look of the shower along with the rest of the bathroom. Chrome is the most popular showerhead finish by far, these shiny finishes give a clean and classic look. The chrome finish gives the best defense against corrosion and wears on the shower system. A chromium metal finish extends its life, despite high-friction environments and frequent exposure to water and other liquid. Chrome plating provides protection in environments that are conducive to corrosion in other base materials. With that being said, the chrome finish is popularly recommended if you're looking for a durable, long-lasting, and low-maintenance shower system finish.