what is melanin

10 months ago 42
Nature

Melanin is a complex polymer derived from the amino acid tyrosine. It is responsible for determining skin, hair, and eye color in humans and animals. Melanin is produced by specialized cells called melanocytes and is present in the skin to varying degrees. It serves to protect the skin, eyes, and genetic material from the harmful effects of ultraviolet (UV) rays. There are different types of melanin, including eumelanin and pheomelanin, which contribute to variations in skin and hair color. Melanin deficiency is linked to various skin disorders and health conditions