Hyper pigmentation refers to skin that has turned darker than normal where the change that has occurred is unrelated to sun exposure. Hyper pigmentation is caused due to excessive production of melanin. Melanin is the pigment that is solely responsible for the color of the skin. Hyper pigmentation occurs due to the excessive secretion of melanocyte stimulating hormone that enhances the production of melanocytes. The melanocytes produce the pigment melanin. Hyper pigmentation affects the areas that are not exposed to light like the genital areas, armpits etc.

Hyper pigmentation may be caused by internal and external causes. Internal causes include hormonal imbalances such as pregnancy. An external cause for hyper pigmentation is sun exposure. Sots of brown may appear with sun exposure without the use of a sunblock.

There are a few types of hyperpigmentation that is based on the cause of the excess melanin and its appearance on the skin. These include melasma, age spots or liver spots, freckles, and postinflammatory hyperpigmentation. It is also related with a number of diseases such as Addison's disease and other sources of adrenal insufficiency, in which the hormones induce melanin synthesis.

which includes treatments blemish treatment with AHA complex, Melanin pigment reduction with Arbutin, revitalization of skin.