


So it’s best to use topical hydroquinone only under the care of a dermatologist so that they can properly guide you on how to use the medication without any adverse effects. However, prolonged use of topical hydroquinone (without any breaks in use) can cause darkening of the skin, known as ochronosis. This medication usually contains hydroquinone, which lightens the skin. Topical prescription medication can treat some cases of hyperpigmentation. In some cases, a skin biopsy can narrow down the cause. They will request your medical history and give you a physical exam to determine the cause. How is hyperpigmentation diagnosed and treated?Ī dermatologist can diagnose the cause of your hyperpigmentation.
