The Norwood classification is the most widely used classification for hair loss in men. Published in 1975 by Dr. O’Tar Norwood, it deThe Norwood Classification of Hair Loss in Men NYC
fines two major patterns and several less common types. In the regular Norwood pattern, two areas of hair loss – a bitemporal recession and thinning crown – gradually enlarge until the entire front, top and crown (vertex) of the scalp are bald.
