Learn about:. There are several types of hyperpigmentation, the most common being melasma, sunspots, and post-inflammatory hyperpigmentation. Darkened areas on the skin is the main symptom of hyperpigmentation. Patches can vary in size and develop anywhere on the body. The biggest risk factors for general hyperpigmentation are sun exposure and inflammation, as both situations can increase melanin production.
Uneven skin pigmentation or hyperpigmentation as it is often known is a common skin complaint. Dark spots — known as age spots or sun spots — or dark patches of skin frequently appear on the face, hands and other parts of the body regularly exposed to the sun. This article outlines the different types of hyperpigmentation and explains what causes them.
Hyperpigmentation is the darkening of an area of skin or nails caused by increased melanin. Hyperpigmentation can be caused by sun damage, inflammation , or other skin injuries, including those related to acne vulgaris. Many forms of hyperpigmentation are caused by an excess production of melanin. Melanin is produced by melanocytes at the lower layer of the epidermis.