It’s NOT disease as it doesn’t affect physical efficiency. It’s NOT skin disorder or problem as being produced in blood, skin is its destination including humans all creatures (Seabed, Water, Underland, Overland, Air) have a natural process of color pigmentation. Lever produces blood, blood’s red cells produce skin color, and this process runs birth to death. Without color pigmentation, skin color is white such as albino humans & animals. If lever or blood affects, de’color pigmentation starts.