the traditional cycle of hair goes through a part of growth and rest. every individual hair survives for a median of 3 and a [*fr1] years. the expansion part of hair usually lasts 2 to a few years, throughout which period it grows regarding [*fr1] an in. a month. This growing part is named anagen. this is often followed by a resting part known as telogen, that lasts for regarding 3 to four months. sometimes in its fourth year, the hair falls out and is replaced inside half dozen months by a replacement one.