Chloasma Body Pictures - 2 Photos & Images

Melasma is a very common patchy brown, tan, or blue-gray facial skin discoloration, almost entirely seen in women in the reproductive years. It typically appears on the upper cheeks, upper lip, forehead, and chin of women 20-50 years of age. Although possible, it is uncommon in males. It is thought to be primarily related to external sun exposure, external hormones like birth control pills, and internal hormonal changes as seen in pregnancy. Most people with melasma have a history of daily or intermittent sun exposure. Melasma is most common among pregnant women, especially those of Latin and Asian descents. People with olive or darker skin, like Hispanic, Asian, and Middle Eastern individuals, have higher incidences of melasma.

An estimated 6 million women are living in the U.S. with melasma and 45-50 million women worldwide live with melasma; over 90% of all cases are women. Prevention is primarily aimed at facial sun protection and sun avoidance. Treatment requires regular sunscreen application and fading creams.

Clinical features:
Melasma is characterized by discoloration or hyperpigmentation primarily on the face.
Three types of common facial patterns have been identified in melasma, including
  1. centrofacial (center of the face),
  2. malar (cheekbones),
  3. and mandibular (jawbone).
The centrofacial pattern is the most prevalent form of melasma and includes the forehead, cheeks, upper lip, nose, and chin. The malar pattern includes the upper cheeks. The mandibular pattern is specific to the jaw.
The upper sides of the neck may less commonly be involved in melasma. Rarely, melasma may occur on other body parts like the forearms. One study confirmed the occurrence of melasma on the forearms of people being given progesterone. This was a unique pattern seen in a Native American study.
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