My brother is suffering with dark circles near the eyes
Thanks for posting the query.
He needs to consult dermatologist.
Get CBC, Hemoglobin levels,Thyroid profile, Vitamin B12 and D3 levels.
Do any one in your family has a history of Dark circles?
He should have an adequate sleep of 8 hours.
less stress to be taken.
Have balanced food.
Any issues do follow up.