Red human hair

Red human hair is a type of human hair that has a reddish hue. The color of red hair can range from a deep auburn to a bright copper or ginger shade. Red hair is caused by a genetic variation that results in the production of more pheomelanin (a type of pigment) and less eumelanin (another type of pigment) than other hair colors. Red hair is relatively rare, with only about 1-2% of the world's population having naturally red hair. It is more commonly found in people of Northern or Western European descent, but can also be found in other ethnicities.