Pigmentation is a condition that causes darkening of the skin. Patches of various sizes occur on any a part of the body or can affect the whole body that creates skin look uneven. Most are benign, but you would like to observe them just in case they modify size, colour and shape. Pigmentation can affect both men and women.

Causes of pigmentation: 

Hormonal imbalances, allergic rashes, injury, UV radiation, genetic factors, melasma, photosensitizing drugs, drug reaction, use of various fairness creams, use of certain perfumes, auto immune disorder, certain health problems, increase in stress levels, etc