An example of hyperpigmentation is melasma (also known as chloasma). This
condition is characterized by tan or brown patches, most commonly on the face.
Melasma can occur in pregnant women and is often called the "mask of
pregnancy;" however, men can also develop this condition. Melasma frequently
goes away after pregnancy. It can also be treated with certain prescription
creams (such as hydroquinone).
If you have melasma, try to limit your exposure to sunlight. Use a strong
sunscreen (SPF 15 or higher) at all times, because sunlight will worsen your
condition. Sunblocks containing zinc oxide or titanium dioxide are best;
although, sunscreens with Parsol 1789 (avobenzone) will also provide good
Consult with your doctor before treating the condition yourself.
Read more about Melasma.