New treatment to combat melasma
Melasma is a word derived from the Greek melas meaning "dark". That is, a pigmentation disorder of the skin characterized by the appearance of brownish spots. It has irregular shapes that are located mainly on the face (cheeks, cheek, forehead, nose and chin), and can also affect extra-facial areas such as neck and forearms. But what to do to combat the appearance of these spots?
A new treatment option for melasma is already available in the dermatology market. These are intralesional tranexamic acid or micro injections of tranexamic acid. The treatment is done by injecting several points of the substance into the spots (0.05 ml per point, one centimeter apart between the spots) once a week. On average, 12 sessions are required.
"It is estimated that up to 75% of pregnant women and up to 35% of women receiving contraceptives are affected by dark spots"
Not yet known the exact mechanism of action of tranexamic acid in the bleaching of melasma, but scientific studies performed with this new therapeutic option reveal a consistent and interesting bleaching of the spots after 12 weeks of treatment. It is worth mentioning that this treatment can be associated to the home use of other depigmentants, thus potentiating the results.
About 90% of cases of melasma occur in women older than 30 years. It is estimated that up to 75% of pregnant women and up to 35% of women receiving contraceptives are affected by dark spots. Melasma is more common in people with brown skin.
There is still no definitive cure for melasma, so it is important that people take constant care and use photoprotection daily, regardless of the time of year; as well as "physical" protections such as caps and hats with wide flaps and sunglasses, and also avoid the prolonged use of hormones, mainly contraceptives of high dosages.
The main causes of Melasma are:
Chronic solar exposure: Exposure to the solar accumulated over the years -
A strong sun day without adequate protection may be sufficient for the appearance of spots > - Hormones: have the power to stimulate melanocytes, cells that produce melanin. This explains why pregnant women using a birth control pill or taking hormone replacement therapy are more likely to have such blemishes;
- Genetic predisposition: women who have relatives with Melasma have a more likely to have this pigmentation disorder.
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