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Cut back on salty foods. Drink more water. Get enough sleep. Remove your makeup at night. Get your allergies in check.

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The bags under our eyes are caused by fluid retention. Overconsumption of salt leads to this retention, meaning cutting back on the amount of salt in your food can help reduce the puffiness in your eyes. Lay off the foods that are high in sodium, such as pickles, olives, soup, and fast food. Eat more foods that are high in potassium, such as bananas, avocados, and celery. These foods help balance the sodium in your body. The body holds on to water when you are dehydrated, leading to fluid retention. Upping your water intake can reduce this retention, reducing the bags under your eyes. Aim for eight glasses of water a day (8 ounces each) to keep a healthy hydration level. Water is gained through food as well. Try upping the amount of fruit and vegetables you eat to supplement your water intake. You can also stay hydrated by drinking beverages like tea and coffee, which are mostly water. A lack of good rest causes fluid retention and dark shadows under our eyes. Make sure you get between 7 and 9 hours of sleep per night, depending on your individual needs. Though a lack of sleep contributes to eye bags, sleeping more is not necessarily a cure. If you already get plenty of sleep and still have eye bags, forcing yourself to sleep more will not reduce the puffiness. Leaving face and eye makeup on at night can clog pores, cause acne, and generally prevent your skin from restoring itself overnight. Make sure to wipe off any makeup prior to sleeping for the night to reduce damage to the eyes. Use a moisturizing eye cream overnight to help remove wrinkles and lines associated with puffy bags. Seasonal allergies and sinus problems cause swelling, which can lead to those pesky eye bags and shadows. Talk to your doctor to discuss your allergies and see if there is a treatment option that can help combat the problem. Over-the-counter decongestant or neti pots can help keep things moving in your sinuses, without the need for a prescription. Stay hydrated! Water will keep those dark circles from appearing, but also keeps your nasal passages and sinuses well lubricated.