Since eyebrow hairs usually occur in single haired follicular units only single hair grafts are carefully dissected under microscopes with 10X magnification. Follicular units that contain more than two hairs are longitudinally sectioned into one-hair units.
Insertion of the grafts in alignment with the axis of the brow is followed to ensure that the hairs will result in a natural appearance. Fine needle size gauge 23 or 24 are utilized for easy insertion and dense packing. Magnification loupes are used to perform simultaneous needle stick-and-place in flat angle and dense packing of grafts.
Just before finishing the procedure the patient examines the transplanted eyebrows to see if any adjustment is needed.