Pathological alopecia

The average person loses about 40-100 hairs per day, which is a normal metabolism. The number of hairs lost every day is roughly the same as that of new hair, so they will not become thin. If the amount of hair loss exceeds this number, and the hair is significantly thinner than before, it is a pathological hair loss. If there is not a lot of hair loss, but the hair grows very slowly and the hair gradually thins, this is also a pathological hair loss.

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