OverviewMelanin is the natural substance that gives color (pigment) to hair, skin, and the iris.
Update Date 11/14/2011
Updated by: Chad Haldeman-Englert, MD, Wake Forest School of Medicine, Department of Pediatrics, Section on Medical Genetics, Winston-Salem, NC. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.