[Skin Concerns] How do I know the cause of my dark circles? Is it something else? Picture included.

Beauty Tips For Body Care
Hey. First time posting here, hope I'm not breaking any rules.I've had dark circles under my eyes pretty much my entire adult life and I've recently decided I want to start combating them. I read the guide here, but I'm not sure which type of dark circles I have or maybe its a different problem as they aren't even circles really?Any assistance would be much appreciated.Picture.
Girls Blog 2015
Submitted by Itayayay