Keep in mind that hyperpigmentation does not always fade. Even with treatment, some hyperpigmentation will be permanent. Without any treatment at all, it can take 3 to 24 months to see improvement. It really depends on the severity of darkened skin and how much the hyperpigmentation covers.

Will hyperpigmentation of the skin go away?

Hyperpigmentation isn't generally harmful and usually isn't a sign of a serious medical condition. In some cases, dark areas will fade on their own with good sun protection. In other cases, more aggressive treatment is needed. There's no guarantee that the dark spots will fade completely, even with treatment.

Can hyperpigmentation be permanent?

Hyperpigmentation within the dermis has a blue-gray appearance and may either be permanent or resolve over a protracted period of time if left untreated.