The annoying permanent shadows under your eyes are generally caused by either:

Periorbital Hyper-pigmentation
Pigmentation of the skin caused by an increase in the production or distribution of melanin.

Hyper Vascularity
This condition can be caused by thin skin and aging, as well as loss of fat and collagen.

Here at Beauty Bar by Akhlas we use the advanced Acroma-QS handpiece to restore the youthful and vibrant appearance of your skin and rid you of those annoying shadows under your eyes.