Sure, the composition, good model, posing, lighting for that pose. It is a nice spiral from left, where our eyes generally enter the frame. My route is in at arm around across eyes, face, hair down and around. The nice arm triangle on the left side leads-frames & gets you into the shot, the face and eyes are a nice focal point to pause, well described, then the beautiful hair with an elegant s curve leads your eye around and back into the main point, her face and eyes. Her chin gets the lighting it needs to compliment/ balance on the rest of her face, too.
The composition on the second shot wastes the left, face is overpowered by neck wrinkles and disorganized hair, breasts are too low in composition to be as effective a focal point as they could be. I’d bet you have some other good out-takes if you re-edit.