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3CO in the media: insights into hair loss in Men's Health

Recently, Men's Health Netherlands published an extensive article about hair loss in men. In this article, Henk Vietor (PhD, clinical geneticist and Chief Medical Officer at 3CO) is interviewed about the causes of hair loss and which treatments are actually effective. Read the full article below.

Valentijn Viëtor, MSc
April 15, 2026

Link to the full article on Men's Health

What are the main causes of hair loss?

According to Vietor, hair loss is in most cases genetic. This means that sensitivity to the hormone Dihydrotestosterone (DHT) plays a central role.

DHT causes hair follicles to gradually shrink, causing hair to become thinner and eventually stop growing.

Important insight:

  • Approximately 95% of male hair loss is hereditary
  • The process can take place at an early age
  • Without treatment, hair loss gradually continues

Which treatments really work?

The article makes a clear distinction between proven treatments and products without a strong scientific basis.

The two most effective treatments are:

  • Finasteride
    Inhibits conversion to DHT and addresses the cause of hair loss
  • Minoxidil
    Stimulates hair growth and prolongs the growth phase of hair

According to Vietor, these are currently the only treatments whose effectiveness has been scientifically proven on a large scale.

Why starting early is important

One of the key points of the interview is that timing is crucial.

The sooner you start treatment:

  • the more hair you can keep
  • the greater the chance of visible recovery
  • the better your long-term results

Waiting until hair loss is advanced makes treatment less effective.

3CO's vision

The insights from the article are closely in line with 3CO's approach: treating hair loss based on science, not marketing.

This means:

  • medical assessment by doctors
  • only scientifically proven treatments
  • transparent information about what works and what doesn't

The goal is to help men with hair loss in a timely and effective manner, with realistic expectations and sustainable results.

Want to know more about hair loss?

Want to delve deeper into this topic? Also read:

Valentijn Viëtor, MSc
April 15, 2026