Most men’s hair loss will follow a pattern that has been codified in a table called the Norwood Scale (see below). The type of Norwood pattern an individual will have apears to be determined genetically. There are seven patterns of hair loss identified in the Norwood Scale:

Norwood Type I being a normal head of hair with no visible hair loss.
Norwood Type II showing the hair receding in a wedge-shaped pattern.
Norwood Type III shows the same receding pattern as Norwood II, except the hairline has receded deeper into the frontal area and the temporal area. Read more on The Norwood Scale of Hair Loss…