How did black mole grow on the face to do

Black moles are very common benign skin tumors, and melanin deposition related. Many people will grow. If there is no malignant change, generally do not need to deal with, patients can go to regular visits. Usually can eat more foods rich in vitamin C, help reduce melanin deposition. If black moles grow up in a short period of time, it is necessary to consider the occurrence of malignant change, to timely surgical treatment.