Thanks for writing in.
Sun exposure can aggravate pigmentation.Keeping the sunprotection is important to treat hyperpigmentation
. Use sunscreen with SPF 50.
Effective oral and topical medications are now available for Hyperpigmentation .
My advise to you would be to use topical triglow cream with good moisturizer.
Few treatments like microdermabrasion
and chemical peel can help to dark spots effectively.
You are on right track.Please continue the treatment.It takes one to three months to show effects.
Hope this helps.