Great question! Melasma is a skin condition that is very hard to treat because the pigmentation lies deeper in the skin layers. It can be caused by excessive sun exposure, pregnancy, hormone treatment and certain medications. Melasma also has a genetic component and can be a chronic condi...
Thank you XYZ for your question and photographs.
Photographic evaluation is incomplete without personal examination to give the most appropriate answer
However from the photographs, it seems that,
We must first determine whether the brown spot is age-related or due to localized...