There are various causes that can lead to pigmentation disorders of the skin. One of the most common causes is excessive exposure to ultraviolet radiation from the sun. UV rays can damage skin cells called melanocytes that are responsible for skin pigmentation. This causes an increased production of melanin leading to hyperpigmentation disorders like melasma, freckles or sun spots. Ge... https://www.newsanalyticspro.com/understanding-the-pigmentation-disorders-treatment/