Dark circles need to be evaluated. Kojic acid creams may be helpful. Itching could be due to allergy or dry eyes. Use a lubricant eye drops.

Namaste If you are into more of computer work , use lubricants more frequently, don’t rub / keep touching your lids , for evry 20 min of screen look far point for 20 secs .. your history also S/o of MGD — give hot fomentation for 10 min/ twice a day and apply zaha eye ointment to lid margins at night ( for 15 days )

Chronic eye strain, long working hours on computers, decreased sleep, improper sleep pattern, chronic allergy & eye rubbing are a few ocular causes that can lead to dark circles around eyes. So, we need to evaluate your eyes for these risk factors and others. You might need to see a dermatologist later if no significant ocular cause is established.

Frequent itching also causes dark circle and wrinkles Adequate sleep is required. Keep body hydrated U can apply vit E capsules under eye very good results Keep freshly cut cucumber slices on closed eyes for half an hour For itching plz consult online as  more details are required for further treatment

Show to some Oculoplastic surgeon or Dermatologist.. in the meanwhile try Melalumin under eye serum

For constitutional dark circles ..can try under eye cosmetic lightening creams , but for real benefit ..fillers will work .

Dark circles can be due to stress,disturb sleep cycle,anaemia,dehydration,systemic conditions,allergies,frequent rubbing,chronic eye infections,genetics....etc