List Of Biol Hair Color References. Get salon quality hair care at home, without the cost of a hairdresser! Web hair color is determined by the amount of a pigment called melanin in hair.

An abundance of one type of melanin, called eumelanin, gives people black or brown hair. Web understanding the intricate anatomy and physiology of hair provides insight into the aging process and the eventual loss of either hair pigmentation or hair shafts. Hair color exhibits a wide range of phenotypes, similar to the variation that exists with eye and skin color pigmentation.