Welcome to HCM and hope you will regain your pretty face.
Your Darknerss of face is known as "melasma". It has a relation with pregnancy
and sun light exposure.
You could try the following medication with prescription of a dermatologist--
1. Depiwhite S cream-apply at every morning or Spectraban cream for 1 month
2. Tri-melasin cream at night regularly for 1 month
3. avoid self medication
and sun exposure.
Consult a dermatologist/ HCM 1 month later.
other options for removal of pigment are-- Chemical peel, Intense pulsed light (IPL) and Laser
Dr. M M Mahmud,MBBS, MD, (email@example.com)