MICROANATOMY

Detailed explanation-1: -What is melanin? Melanin is a complex polymer that originates from the amino acid tyrosine. Melanin is present in human and animal skin to varying degrees, and is responsible for your unique eye, hair and skin color.

Detailed explanation-2: -The most common form of biological melanin is eumelanin, a brown-black polymer of dihydroxyindole carboxylic acids, and their reduced forms. Most are derived from the amino acid tyrosine. Eumelanin is found in hair, areola, and skin, and the hair colors gray, black, blond, and brown.