I am sorry I must share bad news - eye creams do not generally work for dark circles 😭. The most frequent reasons they appear: genetics, tiredness, lack of sleep (it makes blood vessel more visible from below the skin surface) and structural changes in the face related to aging. Topical skincare can't do anything really against these factors.
Keeping the skin well-hydrated, protected from sun and ideally using a gentle retinoid can help thicken the skin in the eye area a little, so it could somewhat help with the appearance. The results won't be visible immediately, it would take at least a couple of months to see a difference. A good cream with retinal: https://whatsinmyjar.com/product/avene-professional-retrinal-eyes-contour-care
A cold compress can also help a little.