Understanding Male Pattern Baldness: Types, Causes, and Treatments
hi-doctor.ai BlogJanuary 27, 2026

Understanding Male Pattern Baldness: Types, Causes, and Treatments

Table of contents

Key Point 1Male pattern baldness (androgenetic alopecia) is primarily caused by genetics and hormones, specifically dihydrotestosterone (DHT).

Key Point 2The Norwood Scale is used to classify the stages of male pattern baldness, helping to understand its progression.

Key Point 3Effective treatments like finasteride and minoxidil can help slow down hair loss and promote regrowth.

Key Point 4Hi Doctor AI offers a convenient way to consult with EU-licensed doctors online and get prescriptions for hair loss treatments.

What is Male Pattern Baldness?

Male pattern baldness, also known as androgenetic alopecia, is a common type of hair loss in men. It's characterized by a receding hairline and thinning hair on the crown of the head. The condition is primarily influenced by genetics and the male hormone dihydrotestosterone (DHT). While it's a natural part of aging for many, understanding the process can help in managing and potentially slowing down its progression.

The Norwood Scale: Stages of Hair Loss

The Norwood Scale is a visual classification system used to describe the different stages of male pattern baldness. It ranges from Stage 1 (minimal hair loss) to Stage 7 (severe hair loss). Understanding where you fall on the Norwood Scale can help you and your doctor determine the best course of action.

  • Stage 1: Minimal or no hair loss.
  • Stage 2: Slight recession at the temples.
  • Stage 3: Noticeable recession at the temples, forming an "M" shape. This stage may also include thinning at the crown.
  • Stage 3 Vertex: Significant hair loss at the vertex (crown) of the head.
  • Stage 4: Further recession at the front and increased hair loss at the vertex.
  • Stage 5: Larger areas of hair loss at both the front and vertex, with only a thin band of hair separating them.
  • Stage 6: The balding areas at the front and vertex join together, leaving a horseshoe-shaped pattern of hair.
  • Stage 7: The most severe stage, with only a narrow band of hair remaining around the sides and back of the head.

Causes and Contributing Factors

The primary cause of male pattern baldness is a combination of genetic predisposition and hormonal factors. Dihydrotestosterone (DHT), a derivative of testosterone, plays a key role. DHT shrinks hair follicles, leading to shorter, thinner hairs and eventually, complete cessation of hair growth. Other factors that may contribute include age, stress, and certain medical conditions, though these are typically secondary to genetics and hormones.

Effective Treatments for Male Pattern Baldness

Several treatments are available to help manage male pattern baldness. The most common and effective options include:

  • Minoxidil: A topical solution that stimulates hair growth. It's available over-the-counter and can help increase blood flow to the hair follicles, promoting thicker, longer hair.
  • Finasteride: An oral medication that blocks the production of DHT. It requires a prescription and is effective in slowing down hair loss and, in some cases, promoting regrowth.
  • Dutasteride: Similar to finasteride but potentially more effective at reducing DHT levels. It also requires a prescription.
  • Combination Therapies: Many doctors recommend combining minoxidil and finasteride for enhanced results. Topical solutions containing both finasteride and minoxidil are also available.
  • Hair Transplant: A surgical procedure where hair follicles are transplanted from denser areas of the scalp to balding areas.

Hi Doctor AI provides telemedicine consultations. All treatments are prescribed by EU-licensed doctors after reviewing your medical history. We do not sell or ship medications—prescriptions can be used at any licensed pharmacy in the EU.

Understanding Finasteride and Dutasteride

Finasteride and dutasteride are 5-alpha-reductase inhibitors, meaning they block the enzyme that converts testosterone into DHT. By reducing DHT levels, these medications can slow down or even reverse hair loss. Finasteride 1mg is a common dosage, while dutasteride 0.5mg is also used. Potential side effects can include decreased libido and erectile dysfunction, but these are relatively uncommon. It's important to discuss these risks with your doctor.

Understanding Minoxidil

Minoxidil is a topical solution typically applied twice daily. It works by prolonging the growth phase of hair follicles and increasing blood flow to the scalp. While it doesn't address the hormonal cause of hair loss, it can significantly improve hair thickness and coverage. Minoxidil Viñas 5% is available over-the-counter. Some people experience initial shedding when starting minoxidil, but this is temporary.

Treatment Timelines and Expectations

It's important to have realistic expectations when starting hair loss treatments. Here's a general timeline:

  • Month 1-3: Initial shedding may occur as old hairs fall out to make way for new growth.
  • Month 3-6: Early signs of regrowth may become visible, with the appearance of fine, thin hairs.
  • Month 6+: Noticeable improvements in hair thickness and density. Continued use is necessary to maintain results.

How Hi Doctor AI Helps

Hi Doctor AI offers a convenient and discreet way to address your hair loss concerns. Skip the waiting room and get personalized advice from EU-licensed doctors through our online consultation platform. We provide prescriptions for effective treatments like finasteride, dutasteride, and minoxidil, tailored to your specific needs. Our process is simple:

  1. Complete a short online questionnaire about your medical history and hair loss concerns.
  2. An EU-licensed doctor will review your information and determine the best treatment plan for you.
  3. If appropriate, you'll receive a valid prescription that you can use at any pharmacy in the EU.

Consultations are just 45€, and you'll receive your prescription in under 24 hours. Plus, if our doctors determine that a prescription isn't suitable for you, you'll receive a full refund.

Ready to Get Started?

Ready to take control of your hair growth? Get your online consultation with Hi Doctor AI—no video call needed, prescriptions in under 24 hours.

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Understanding Male Pattern Baldness: Types, Causes, and Treatments