Idiopathic leukoplakia is the medical term for idiopathic pitting hyperpigmentation, which usually does not heal on its own. The cause of idiopathic pitting hyperpigmentation is still unclear and may be related to factors such as aging. Patients may develop localized, well-demarcated, blotchy white spots, mostly on the limbs, trunk and other parts of the body. Usually, idiopathic pitting hyperpigmentation does not heal on its own. With age, the melanocytes of human skin gradually shrink and decrease, which will lead to a gradual weakening of the ability to produce skin pigment, thus reducing the melanin in the skin and leading to localized white spots. As a result, idiopathic pitting hyperpigmentation generally does not heal on its own. If you want to know more about idiopathic pitting hyperpigmentation, it is recommended to consult a doctor at a regular hospital.