The cause of chloasma
Post in melasma/chloasmaCause unclear, and that often related to endocrine function. Women are seen during pregnancy or oral contraceptives and other factors. Women’s pregnancy chloasma (chloasma gravidarum, chloasma of pregnancy), the beginning of pregnancy in 3 to 5 months after childbirth pigment spots gradually disappear. Facial pigmentation may be due to the combined estrogen and progesterone, melanocyte stimulating, and the hormone progesterone to black-and transit-proliferation, an increase of melanin pigmentation to the generation.
Experts point out that a lot of pressure, sleep well, slow metabolism, gynecological diseases, such as exposure to sunlight is also the main reason for chloasma.
Also found in the chronic gastrointestinal disease, liver disease, tuberculosis, cancer, malignant lymphoma and chronic alcoholism, and so on. Long-term application of certain drugs such as phenytoin, chloasma contraceptives may occur. In addition, the strong sun, the application of cosmetics can also be induced chloasma. Chloasma also found in the unmarried, pregnant is not the normal male or female, of unknown causes.
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