Melasma
Melasma is a dark skin discoloration that appears on sun-exposed areas of the face. Melasma appears as a consistent brown color over the cheeks, forehead, nose, or upper lip, often appearing symmetrically on the both sides of the face.

Before

After
What Are the Symptoms of Melasma?
Brown skin discoloration of the face
What Are the Causes?
Melasma is predominantly common in woman, frequently resulting from the presence of female hormones, pregnancy, birth control pills, and hormone replacement therapy. Sun exposure may also be a factor causing Melasma.
What Are the Treatments?
Office Treatments:
Chemical Peels
Fractional CO2 Laser
IPL