Thanks for writing in.
and postinflammatory pigmentation over face are your problems.
will take care of impetigo.Hyperpigmentation
usually takes longer time to go.
Sun protection is most important for any cosmetic treatment.
Use good quality sunscreen.
Avoid sun exposure.
Use brevoxyl face wash.
Apply Kojivit cream at night over the dark area.
Visit a dermatologist
for some clinic based procedure like chemical peeling and laser.
The visit to dermatologist will confirm diagnosis and allow prescription drugs.
Hope this helps.