what texture are you using becouse if it uses the no brow morph and a surface texture you should deleate the upper and regular eyebrows. if not group them with the eyelashes. in the materials window what I do is click in the circle next to transparency, in the image texture load black in the first window and the steph trans map in the second window. then in the drop down menu click on blend transparency then set diffusion and transparency to 100 everything else to 0 and use the diffusion color dot to set the lash and brow color