Melanin is a natural substance that gives color (pigment) to:
- The iris of the eye
It is produced by cells in the skin called melanocytes.
Melanin also helps protect the skin from the sun.
Bolognia JL, Orlow SJ. Melanocyte biology. In: Bolognia JL, Schaffer JV, Cerroni L, eds. Dermatology. 4th ed. Philadelphia, PA: Elsevier; 2018:chap 65.
Moore KL, Torchia MG. Development of eyes and ears. In: Moore KL, Torchia MG, eds. The Developing Human. 10th ed. Philadelphia, PA: Elsevier; 2016:chap 18.