Cutting onions can help you to cry out some of the moisture under and around your eyes. However it isn't recommended that you carry out this procedure daily but done short-term, it will reduce the darkness under the eyes somewhat. Using the tea bag method under your eyes straight afterward also helps. The puffiness may not reduce immediately but it will shortly afterward.
Dark circles under my eyes may be caused by inflamed or enlarged veins beneath the skin. Try taking butcher's broom. Taken daily, this common herb (used to treat weak circulation, hemorrhoids and varicose veins) has been effective in reducing dark circles.
Wear sunscreen under your eyes, and if you wear it all the time(as you should), try to put a stronger spf under your eyes than you do on your face. This way, the skin under your eyes does not darken as quickly as the rest of your face; so your circles seem lighter. If you do this all year, you may end up not needing concealer at all.
Try doing face yoga exercises, which can rejuvenate your facial skin by improving your face circulation. If you alsa have crows feet lines and skin wrinkles you can also work on helping the crows feet wrinkles condition too, to look younger and be more attractive.