Skin Pigmentation Diversity and Melanin Biology: Why “Tanned Skin” Is Not the Only Natural Tone in Humans
Skin color variation is an intrinsic human biological feature driven primarily by melanin synthesis, distribution, and the structure of skin layers. The term “tanned skin” is often used casually to describe darker or more pigmented appearance after ultraviolet (UV) exposure, but it is not the only natural skin tone in any population. From a medical… Read More »