Vitiligo is a chronic long-lasting disorder that causes areas of the skin to lose color. It is a form of autoimmune disorder. Vitiligo is due to the loss or destruction of melanocytes, which are the cells that produce melanin. Melanin determines the color of skin, hair, and eyes. If melanocytes cannot form melanin or if their number decreases, skin color becomes progressively lighter. Vitiligo aff...