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Why Men Lose Hair? Male Pattern Baldness Explained

Male Pattern Baldness

Published on Fri Apr 17 2026

What is Male Pattern Baldness?

Male pattern baldness is a common type of hair loss in men. It usually begins in the 30s but can start as early as the teenage years. It leads to continuous hair fall without natural regrowth.

Hair loss is most visible around the temples and crown, often leading to a receding hairline and thinning hair. The condition develops gradually over time if left untreated.

How Common is Male Pattern Baldness?

Male pattern baldness, also known as androgenetic alopecia, is very common worldwide. The likelihood increases with age and is strongly linked to genetics, accounting for nearly 80% of cases.

Hair loss patterns may vary depending on age and ethnicity.

Symptoms and Causes

Causes

Male pattern baldness is mainly caused by genetics and hormones. The hormone dihydrotestosterone (DHT), derived from testosterone, shrinks hair follicles and prevents regrowth.

  • Genetics (family history)
  • Age-related changes
  • Lifestyle and diet factors
  • Ethnicity variations

Symptoms

  • Finer, thinner hair
  • Receding hairline
  • Hair loss at the crown
  • Thinning around temples
  • Patchy or circular bald spots

Stages of Male Pattern Baldness

The progression is measured using the Hamilton-Norwood Scale:

StageDescription
Stage 1No visible hair loss
Stage 2Slight recession near temples
Stage 3M-shaped hairline, temple hair loss
Stage 4Receding hairline with crown bald spot
Stage 5Hairline and crown bald area connect
Stage 6Significant hair loss at crown and temples
Stage 7Only thin hair remains on sides

Diagnosis

Diagnosis is based on hair loss pattern and medical history. Tests may include:

  • Dermatoscopy
  • Skin biopsy
  • Blood tests
  • Hair pull test
  • Light microscopy

Treatment Options

Medications

Minoxidil

Topical minoxidil (2% or 5%) helps reduce hair loss and promote regrowth. It must be applied daily, with results visible in 6–12 months.

  • Side effects: itching, dandruff, redness

Finasteride

Oral finasteride reduces DHT levels and slows hair loss. Results may appear in 6 months.

  • Side effects: reduced libido, erectile issues, breast tenderness, depression

Medical and Surgical Options

Hair Transplant

A permanent solution where hair follicles are transplanted to bald areas, providing natural results.

Non-Surgical Treatments

  • PRP (Platelet-Rich Plasma)
  • Laser therapy

Prevention Tips

  • Follow a balanced diet
  • Avoid junk food
  • Maintain fitness
  • Get proper sleep

Living with Male Pattern Baldness

Psychological Impact

Hair loss can cause stress, anxiety, and confidence issues.

Concealment Options

  • Hairstyles
  • Wigs or extensions

Realistic Outlook

Male pattern baldness can be managed with treatments, but expectations should remain realistic. Early treatment offers better results.

FAQs

Does male pattern baldness run in families?

Yes, it is largely genetic.

Is it contagious?

No, it is not contagious.

Does it worsen over time?

Yes, it gradually progresses with age.

When should I see a doctor?

  • Excessive hair fall
  • Receding hairline
  • Crown thinning
  • Family history

Can it be reversed?

It can be slowed or partially reversed with treatments like minoxidil, finasteride, PRP, or hair transplant.

Do hair transplants work?

Yes, they provide natural and permanent results.

When will PRP show results?

Results are usually visible within 4–6 months.

Sources:

https://www.ncbi.nlm.nih.gov/books/NBK278957/

https://www.aad.org/public/diseases/hair-loss/treatment/male-pattern-hair-loss-treatment

https://www.healthdirect.gov.au/male-pattern-baldness

https://www.pennmedicine.org/conditions/male-pattern-baldness

FAQs
Hair transplant procedure can take up to 6-10 hours depending on the number of grafts and extent of the surgery. Gigasessions more than 4000 grafts can take up to 8-12 hours divided over two days for patient convenience.
Hair transplant surgery done by the FUE method is done under local anesthesia. Minimal pain and discomfort is expected during the surgery but it can be managed intraoperatively by using microinjections and vibrating devices. Mild discomfort during recovery is also expected but can be managed with post surgery prescription medications.
Most people can return to work within 7 days but healing takes a minimum of 3 weeks. During this time, scabs and swelling subside and the skin heals completely accepting grafts and making them secure for further growth. However, you might see some initial shedding starting from the first month onwards, the hair growth will start appearing from the 3rd month onwards.. Final results may take 12-18 months to become completely noticeable.
Yes, when performed by experienced surgeons, transplanted hair looks natural and blends seamlessly with existing hair. Your surgeon will decide factors like hairline placement, graft density and angle and direction of the transplanted hair in a detailed discussion before the surgery which will be then imitated to achieve the natural and desirable results.
Hair transplant is generally considered to provide long-term results. However, you may continue to lose non-transplanted hair over time or due to your lifestyle changes, making follow-up treatments necessary for some.
Hair transplants are generally safe, but some risks include minor swelling, bleeding, temporary numbness in the scalp, pain, itching, crusting, rarely infection or shock loss. Most side effects are temporary and usually mild when performed by a qualified surgeon.
Initial shedding of transplanted hair is normal. New growth begins around 3-4 months, with full results visible within 12-18 months.
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Why Men Lose Hair? Male Pattern Baldness Explained | Causes & Treatment