The Norwood Scale, a descriptive tool used to diagnose hair loss in men, classifies development process into seven distinct stages.
CLASS 1 Invisible Hair Loss
CLASS 2 Slight Hairline Recession
CLASS 3 Noticeable Hairline Recession
CLASS 4 Significant Hairline and Crown Loss
CLASS 5 Large...
At first, people may not notice invisible hair loss. However, one day you suddenly notice that your hairline has receded. Then bald spots on the top of the head become more visible. You start looking for hair loss solutions...... The bridge of hair began to disappear. A distinct bald spot will...