Introduction
The skin is an essential organ in the human body made of a complex membrane of cells, tissues and pigments that hold the body together. Similarly, the skin color is determined by the amount of melanin, the location of melanin and melanocytes, and the presence of caretenoids (Ostler, et al., 2004). Further, the ratio between oxygenated blood and hemoglobin and exogenous or endogenous pigments, also affect the skin color. Melanin is a vital tissue in the skin and the malfunction of melanocytes system, can lead to pigmentation disorder (Rose, 2009). The malfunction of melanocytes system can amount to melanocytic nevi, a ...
