Melasma is a skin condition characterized by brown or blue-gray patches or freckle-like spots. It’s often called the “mask of pregnancy. Melasma happens because of overproduction of the cells that make the color of your skin. It is common, harmless and some treatments may help. Melasma usually fades after a few months.
Melasma is a common skin disorder. Loosely translated, the word means “black spot. If you have melasma you’re probably experiencing light brown, dark brown and/or blue-gray patches on your skin. They can appear as flat patches or freckle-like spots. Commonly affected areas include your face, including the cheeks, upper lip and forehead, as well as the forearms. Melasma is sometimes called the “mask of pregnancy” because it frequently affects pregnant women. Melasma typically darkens and lightens over time, often getting worse in the summer and better in the winter.
Another, less common name for melasma, is chloasma. Although this disorder is completely harmless, it understandably makes some people feel self-conscious.
Melasma appears most commonly on your cheeks, nose, chin, above the upper lip and the forehead. It sometimes affects your arms, neck and back. In fact, melasma can affect any part of your skin that is exposed to sunlight. That’s why most people with melasma notice that their symptoms worsen during the summer months.
Melasma is a very common skin disorder, especially among pregnant women. 15% to 50% of pregnant women get it. Between 1.5% and 33% of the population may get melasma and it happens more often during a woman’s reproductive years, and rarely happens during puberty. It usually starts between 20 and 40 years of age.
Fairer-skinned people are less likely to be affected by melasma than those with darker brown skin or those who tan well. Women are more likely to get melasma than men: about 10% of those who get melasma are men, 90% women. Pregnant women get melasma more often than anyone else. You’re also at risk if you take oral contraceptives and hormones.
Your skin is made up of three layers. The outer layer is the epidermis, the middle is the dermis, and the deepest layer is the subcutis. It’s an organ – the largest organ – and it makes up about one-seventh of your body weight. Your skin is your barricade. It protects your bones, muscles, organs and everything else from the cold, from germs, sunshine, moisture, toxic substances, injury and more. It also helps regulate your body temperature, prevent hydration and feel sensations like the warmth of the stove, the fur on your dog’s belly and the pressure of someone else’s hand holding yours.
Your epidermis contains cells called melanocytes that store and produce a dark color (pigment) known as melanin. In response to light, heat, or ultraviolet radiation or by hormonal stimulation, the melanocytes produce more melanin, and that’s why your skin darkens.
Pregnant women have increased levels of the hormones estrogen and progesterone. These hormones are thought to contribute to your melasma. The darker color usually fades after pregnancy.
There are three types of melasma and they have to do with the depth of the pigment. A Wood’s lamp that emits black light may be used to determine the depth of the pigment. The three types are:
Melasma is not cancerous, a sign of cancer, or a skin condition that “turns into” cancer. However, there are skin cancers that may mimic melasma, so seeing your dermatologist is often recommended to confirm the correct diagnosis.
Melasma is a typically chronic disorder. This means that it’s long-lasting (three months or more). Some people have melasma for years or their entire lives. Other people may have melasma for just a short time, such as during pregnancy.
Melasma is harmless. It’s not painful, itchy, or uncomfortable in any way.
© 2023 | Dr. Shail Agarwal | All rights reserved.
