Skin pigment
Melanin is a natural substance that gives color (pigment) to:
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.
Merriam-Webster's Medical Dictionary. Melanin. www.merriam-webster.com/medical. Accessed July 18, 2022.
Moore KL, Persaud TVN, Torchia MG. Development of eyes and ears. In: Moore KL, Persaud TVN, Torchia MG, eds. The Developing Human. 11th ed. Philadelphia, PA: Elsevier; 2020:chap 18.