Hair made in Blender and the hair shaders seems to have Problems in exporting out with the mesh even after converting it to a mesh.
Unreal Engine dosen't like hair that's in thin strand form and mixamo won't import it either. The hair Unreal Engine likes to import in seems has to be flat planes faces.... In Blender if the stepping is set too high on the hair in both the display and the renderer, it will crash blender when
trying to convert the hair to mesh. I brought the Aston Barr Model, but can't import him in with his hair into Unreal Engine because he hair
was done in Strands, not in Flat Planes.