This is a sketch of an AU version of Corat Damar from my Sigils and Unions: Catacombs of Oralius
universe, where Cardassian and Bajoran roles are reversed. AU Damar is a resistance fighter against the Bajoran invaders.
I'm not sure I did very well with the likeness--even with the difference in hair that's often seen in the AU. I didn't want to give him the same style as AU Dukat or Marritza; the AU Cardassians don't regulate their appearances in that way, though they do generally wear their hair at least
as long as you see in this picture, unless they're in the military.
It's not perfect by ANY means...it's just a sketch to get the basic idea across. But yes, he's supposed to look disheveled; this is how he appears when AU Dukat first finds him. I think he'll do something a little more "styled" when he gets older...either the military cut, like Macet (and his canon self) or a queue like AU Dukat's. He might even do all of these in his lifetime; after all, he's not restricted the way the canon-universe Cardassians are!