What Causes Hair Loss?

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What is the leading cause of hair loss?

  • Androgenetic Alopecia, also known as male pattern hair loss, is the most common form of hair loss accounting for 95% of hair loss in men.
  • Female pattern hair loss (FPHL) is a distinctive form of hair loss that occurs in women with androgenetic alopecia. Many women are affected by FPHL. Around 40% of women by age 50 show signs of hair loss.
  • As the name suggests, Androgenetic Alopecia involves the action of androgens (male sex hormones), specifically DHT (dihydrotestosterone). Individuals with pattern hair loss have an increased sensitivity to DHT. DHT binds onto susceptible hair follicles, causing them to shrink. Over time this impacts the hair growth cycle where hair starts to thin, shorten and eventually stop growing.

Is it normal that I am losing hair every day?

  • It is normal to shed between 50 to 100 hairs per day. This is because of the hair’s growth cycle, which consists of 3 phases: anagen, catagen and telogen. The anagen phase is the growth phase of the hair in which the hair is actively growing. This phase usually lasts 2 to 7 years, and normally 85-90% of scalp hairs are in this phase at any given time. The catagen phase is known as the transition phase in which hair shaft production is completed. The telogen phase, otherwise known as the rest phase, is the last phase of the growth cycle. In this phase, a club hair is fully formed resulting in a hard, white and dry material at the root and the hair is eventually shed from the scalp.
  • Those with Androgenetic Alopecia, hair shedding is in excess of 100 hairs per day, as follicular miniaturisation causes the hair’s growth cycle to become progressively shorter. This results in significantly less hairs in the anagen phase at any given time, which is why hair shedding is more frequent in those with Androgenetic Alopecia.

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Royce Newton

Royce Newton

Royce is responsible for expanding Hair and Skin Science throughout Australia, Asia and part of Europe.

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