Insoluble polymers of TYROSINE derivatives found in and causing darkness in skin (SKIN PIGMENTATION), hair, and feathers providing protection against SUNBURN induced by SUNLIGHT. CAROTENES contribute yellow and red coloration.
Allomelanins,Melanin,Phaeomelanins
D003300
Copper
A heavy metal trace element with the atomic symbol Cu, atomic number 29, and atomic weight 63.55.