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Hair loss can range anywhere from being a minor annoyance to something that causes great distress in one’s life. When struggling with this, it’s important to know more about the science of hair loss and the options available to treat it. By the age of 35, nearly two-thirds of men in America will have experienced some degree of hair loss and by the age of 50, 85% of men’s hair will be significantly thinned. In order to diagnose and then determine a method for men’s hair restoration, it’s important for professionals to be able to determine the degree of loss someone is currently experiencing. In order to measure the extent of male pattern baldness, the Norwood-Hamilton Scale was created.

Male hair loss tends to happen in a few different patterns, most commonly a receding hairline, on the top back of the head, or general, allover thinning. These various patterns can also be experienced in combination with others, and the scale is used to categorize the degree of the loss. There are 7 stages with various subsets ranging from almost no visible thinning to the most advanced stage of having only a narrow band of hair along the bottom of the scalp. Here’s a brief breakdown:

Stage 1 Little to no hair line recession
Stage 2 Slight triangular recession on the front temporal lobes
2A Slight straight recession back from the hair line
Stage 3 More noticeable triangular recession
3A More noticeable straight recession
3Vertex Beginning stages of loss at the back of the head, not much recession
Stage 4 More severe triangular recession, some loss on back of head
4A Front center of hair line is extremely thing, connecting more full hair on sides of head
Stage 5 Receding hair line and loss on the vertex of the head have almost met, but are still separate
5A Dense hair forms a horseshoe like shape around the bottom of the scalp while top is covered by a very sparse amount of hair
Stage 6 Receding hair line and loss on the vertex have now fully met with hair loss on the side extending farther
Stage 7 Only a narrow band of hair along the bottom of the scalp remains

With the help of the Norwood-Hamilton Classification system, certified professionals can help determine your best course of action when you’re dealing with male hair loss. At Hans Wiemann, our team of professionals can help determine which of our methods of men’s hair restoration will be right for you. Learn more about our services for men’s hair restoration at HansWiemann.com.