The part of the hair that protrudes above the surface of the skin is known as the hair shaft. Unless the hair has been cut the tip is pointed. The actual hair shaft is comsoed of a dead, tough horney protein material that is called keratin.
Daily Hair Tip
If you lie on your back while you sleep this could cause hair stress leading to split ends in the back. To avoid hair stress tie hair back using a soft scrunchie band.