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Melanin

Melanin

Overview

Melanin is the natural substance that gives color (pigment) to hair, skin, and the iris.

Review Date 8/22/2016

Updated by: Laura J. Martin, MD, MPH, ABIM Board Certified in Internal Medicine and Hospice and Palliative Medicine, Atlanta, GA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.