article_snippet: How much does hair grow?
article_snippet: Human hair growth is cyclical.
article_snippet: During the anagen phase, hair grows continuously at a rate of 1cm per month.
article_snippet: Anagen can last three to five years on the scalp and produce hair that grows to between 36 to 60cm in length.
article_snippet: At the end of the anagen phase, the follicle turns off, hair growth stops and remains off for the three months.
article_snippet: Towards the end of this resting (telogen) phase, the hair is shed and the follicle remains empty until the anagen phase of the cycle restarts.