Skin discoloration under the eyes affects just about everybody at some time or another.While these conditions are occasionally symptomatic of other illnesses, the usual cause is allergies, tiredness, or heredity.use thin sliced potaoe strips.This is a very popular as well as easy way to cure bags. Allergies may be the most common cause of skin discoloration under the eyes. If allergies are the root of your problem, you simply need to treat them or remove the allergen.Treat your skin while you sleep.Just before you go to bed, take a washcloth and wet it just a bit with cold water. Then squeeze out any excess water and place it over your eyes as you sleep. Application of Cucumber or ice wraped in cloth also helps.Vitamin K in a topical cream of 5% and retinol have also been proven to fade under eye circles.