This one is a combination of constant light and one SB700 inside Lastolite 60x60cm softbox. 1000w Lowel light with barn doors camera left behind the subject to provide the motion blur trail of the hair movement. SB700 1/2 power camera right to stop the motion of the face.
Camera: Nikon D800, 1/6 sec
Lens Nikon 24-70, @ f/8.0, 45mm
SB700 inside Lastolite Eyzbox 60x60cm @ 1/2 power
Lowel 1000w light with barndors