Can a Brow Lift Pull my Eyebrows Straighter?

To an extent, brow position can be microtailored, so that portions of the brow are more affected than others.

The patient should always consider the advice of a seasoned plastic surgeon rather than come into the office with a preconceived idea of exactly what they want. 

Excessive meddling with a natural brow can sometimes produce an operated appearance.

Below is a book chapter on browlifts which may be interesting reading (or not)...

Yes, this is a possibility with the modification of the endoscopic browlift - temporal lift.  The pull needs to be angled correctly to achieve your goals.  Good luck!

The brow lift operation is performed to raise the entire forehead. A brow lift cannot change the shape or arch of the eyebrows as that is determined by a balance between the elevator and depressor muscles of the forehead, which includes the frontalis, corrugator, and procerus muscles. The brow lift is done for people who have very low set eyebrows. It can be done through a coronal approach or an endoscopic approach depending upon the patient’s needs, wants, and desires.