This document provides an introduction to a special issue on skin bleaching and global white supremacy. It summarizes that skin bleaching is a widespread global phenomenon, disproportionately practiced by communities of color to approximate the white ideal and gain social status. While skin bleaching has complex motivations, most scholars acknowledge that colonialism, enslavement, and contemporary white supremacy have promoted skin bleaching. The document outlines the history of global white supremacy, examining how Christianity and European nationalism constructed whiteness as symbolizing goodness, purity, and superiority over blackness. This dualistic worldview influenced perceptions of color and helped establish white nationalism, which identifies white racial characteristics as superior.