Hi. Greetings. Under eye dark circles has several causes. This could be due to nutritional deficiencies including anaemia, hormonal imbalance, less sleep or most commonly due to hereditary factors. See a qualified dermatologist for evaluation of the same. You can be treated with retinol based creams and other procedures based on peri orbital rejuvenation. Hope this helps. Warm regards Dr Govind Suresh Mittal. Bengaluru.

Ensure sufficient hydration and nutritious food. U can use kunkumadi taila application.