Dermatologists define "problematic" hair loss, or "alopecia," as the loss of 100 or more hairs per day . Below this limit it is considered normal, since each hair goes through a renewal phase in which it falls out and grows back later. How to differentiate between hair loss or breakage? It is important that you differentiate hair loss from hair breakage: in both cases you will find that you lose hair, but it is one thing for it to fall by the roots and another for hair to break because the fiber is weak and it breaks. Both problems will be seen as less hair volume, but the resolution is very different in both cases. web Ntech web Ntech web Ntech web Ntech web Ntech web Ntech web Ntech web Ntech web Ntech web Ntech 1. Hair breakage Hair breakage occurs when the fiber is altered and does not support the stresses to whi...