Here you are some causes for the dark circles under the eyes:
A dinner loaded with salt often results in morning-after puffiness
Allergy season and watery, puffy eyes go hand-in-hand, in this case pour salt water into one nostril and let it drain out the other
Your Sleep Position: Do you sleep on your side or stomach? Gravity causes fluid to collect under your eyes, which might explain those pesky bags. Try to sleep on your back and add an extra pillow under your head
For the women: Take Your Makeup Off Before Bed, wash off the gunk with soap and water, or use a remover
Protect Your Eyes from UV Rays: Too much sun can make the skin around your eyes sag or wrinkle. Use sunscreen, sunglasses, and hats to protect your face from harmful rays
Also, Don’t Smoke: if you Want another reason to kick the habit? Smoking can dry and weaken the skin on your face, save yourself from wrinkled, droopy eyes
To deal with those circles:
give your eyes a cooldown, what you use doesn’t matter, the low temperature does the work, a cold compress can ease puffiness, try chilled spoons, cucumber slices, or tea bags
Consider eye cream, store shelves groan under the weight of creams and lotions made to reduce puffy eyes. Try them out to see if one works for you