Appearing Disappearing Laura Harring

Graphite sticks and erasers on bamboo sketch pad, size A4. She´s a real beauty, though not fast enough for a badass actress in hollywood. Came across this stroky technique a little, while drawing you bet. This portrait style isn´t a very da-like pencil drawing, I know most of you guys will not like this, but you might tell me why or maybe... Stand your ground!!!