Melasma is hipermelanosis which usually occurs in areas affected by the sun. Melasma derived from the Greek, which means the weld while cloasma black comes from the word cloazin, which means to be green, so that melasma more appropriate terminology is used to hiperpigmentasi in the face.
Melasma or khloasma is often called a hiperpigmentasi The speck that is often found in the region face the second cheeks, forehead, chin, mouth up, and can be extended up to the neck. Color can vary from brown to black youth and does not regularly shaped. Size also varies. Lesi usually symmetric, especially when the cheek, while spreading like a mask.
Synonyms of melasma is chloasma which sometimes used to describe the occurrence of melasma during pregnancy. On pigmentasi pregnancy can also occur in general, and often arise in the linea alba becomes a linea nigra, the areola mammae, and on the genitalia area eksterna. Hiperpigmentasi this is happening because of the increased level in the blood so that MSH stimulation occurred melanosit activity, is also estimated to increase estrogen and progesteron role in this interference pigmentasi.
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