Hello first and foremost thing to do is photoprotection,
avoid as much as possible going out in sun.
Always use wide brimmed hat, cap, umbrella
wear full sleeved cotton dresses if possible
kindly use
1. Photostable gel over the face, neck and hands @8am morning & @12noon
2. Vitamin-c 500mg daily @night
3. Glyco-a cream @night over face
4. Ahaglow face wash twice daily
take care