Pigmentation in simple terms means colouring. The skin disorder is basically affecting your skin colour. Melanin is nothing but pigment this is responsible for skin colouring. Special cells in the skin make melanin. Its starts affecting your melanin production when these skin cells are damaged or become unhealthy.
Pigmentation is harmless and a common skin condition, within which a particular skin area becomes darker in colour. Sometimes a small amount of pigmentation’s tends to happen on any part of the skin, which occurs and as time passes it becomes darker. In certain conditions, if this increases in numbers o spots and size and darkens the skin further, it’s called hyperpigmentation. Hyperpigmentation is not serious or harmful to health concern but concern on an aesthetic level