Hair loss in men- why it happens

Medically reviewed by Dr Aifric Boylan — FRACGP · AHPRA-registered · Last updated 12 Aug 2026

Hair loss is a normal process which naturally occurs as men get older. It is thought to affect almost all men at some point in their life, and at least half of all men over the age of 50.

So if it’s common and normal, why does it cause some guys so much stress?

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There is a common misconception that loss of hair is related to a change in testosterone levels. In fact, testosterone levels are normal. Testosterone is changed to another hormone called dihydrotestosterone by skin cells in the scalp. It is thought the hair follicles become more sensitive to this hormone over time, which makes them weaker and eventually causes the hair to fall out.

Hair loss can affect a man’s confidence and self esteem. The psychological impact can be quite significant for some men, and they may be keen to explore medication options.

Treatment of hair loss

Topical treatment options include medicated lotion which is available over the counter from a pharmacist. It is not known exactly how effective it is, but some men seem to find it helpful during the early stages of hair loss.

hair loss

A common prescription medication commonly used for male hair loss works by blocking the conversion of testosterone to dihydrotestosterone, therefore making the hair follicles stronger. It prevents future hair loss so is most useful during the early stages of baldness.

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Dr Aifric Boylan

Medically reviewed by Dr Aifric Boylan

MB · BCH · BAO · MICGP · FRACGP · DRCOG · DCH

About Dr Aifric Boylan MB BCh BAO MICGP FRACGP DRCOG DCH Fellow of the Royal Australian College of General Practitioners,  Dr Aifric Boylan is a general practitioner with more than 20 years' experience. She graduated in medicine from…

✓ AHPRA reg. MED0001912983 — verify on the public register◴ Last updated: 12 Aug 2026 · reviewed periodically

This health information has been clinically reviewed by an Australian doctor. Qoctor health pages are reviewed to support clear, evidence-informed guidance; they do not replace individual medical advice.

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