If you have serious dark circles⦠not the kind that pop up in the morning and are gone by breakfast, but the kind of serious dark circles that seem to stay around forever, thereâs finally something for you: Itâs called Hylexin(high-LEX-in). In a clinical trial, more than 80% of women who had serous dark circles and used Hylexinâs key ingredients demonstrated an obvious, tangible, visible reduction in the color and severity of their dark circles. Another clinical trial using high-speed laboratory photography showed a significant reduction in the appearance of the blue and red color that makes dark eye circles so noticeable and so unattractive. Benefits: Helps to rid of chronic dark circles. Also helps to treat puffiness in the eye area. Formula is paraben free. See Hylexin Before and After Photos »