Hair color is determined by the amount of a pigment called melanin. An abundance of one type of melanin, called eumelanin, gives people black or brown hair. An abundance of another pigment, called pheomelanin, gives people red hair. Hair color
Hair color is determined by the amount of a pigment called melanin. An abundance of one type of melanin, called eumelanin, gives people black or brown hair. An abundance of another pigment, called pheomelanin, gives people red hair. Hair color