Melasma
Doctors often use hydroquinone as the first line of treatment for melasma.
Sun exposure UV Raise light from the sun stimulates the melanocytes. A change in hormones: Pregnant women often get melasma.
Depending on the person, melasma may go away on its own, it may be permanent, or it may respond to treatment within a few months. Most cases of melasma will fade away with time and especially with good protection from sunlight and other sources of light.