"Biologically Active Substance"^^ . . "A pigment that gives color to skin and eyes and helps protect it from damage by ultraviolet light.NCI-GLOSS" . "melaninPTNCI-GLOSSCDR0000046291" . "C0025196"^^ . "MelaninPTNCI" . "Organic Chemical"^^ . . "Melanin"^^ . "Melanin"^^ . . . "CHEBI:25179"^^ . "Melanin"^^ . "C631"^^ .