Originally Posted by
SRC
Everyone so far is correct.
I remove the lather from the hairline so I can see my starting point because if I cut into it then I need to go back re-create it. Also, if I hit the hairline first, that will then cause a hesitation in my stroke in going from the hairline to the skin and that can cause a pretty deep cut. Lastly, if you hit the hairline enough times it will dull the edge of your blade. I do about 17-20 neck and over the ear shaves a day and if I keep hitting the hairline then dragging the edge over that dry hair will dull it out alot quicker.
Hope this helps.