Poser 5 dynamic hair does not seem to be a mesh object, so it can't be exported from that program. Some poeple have been able to export something that looks like a lumpy mesh (looks nothing like the hair in Poser 5), while others only seem to get the skull cap. I have not yet tried exporting hair (but will experiment soon), but I suggest trying checking different boxes when exporting as an obj. Lammoth