Insights from Expert MDs

Welcome to XYON's Insights from Expert MDs. Here you’ll find easy-to-read articles that cover everything you need to know about male and female hair loss, overall hair health, as well as men's sexual health. They’re all reviewed by our doctors, so you can trust that they’re scientifically accurate.


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Doctor examining his young patient's hairline.
Hair Loss Causes

When Is the Best Time to Start Hair Loss Treatment?

Many patients ask us when the best time to start hair loss treatment is. But what if we told you that the answer is actually more complicated than just age? In this article, we'll address some of t...

Genetics and Male Pattern Hair Loss: An Interview with Dr. Jerry Cooley

Download Transcript In this episode, Dr. Simon Pimstone is joined by Dr. Jerry Cooley, a pioneer in the field of surgical hair transplantation and lead surgeon at the Cooley Hair Centre, based out...

Hair Loss CausesMan examining his hairline for signs of receding.

Is My Hairline Mature or Receding?

If you've noticed a change in your hairline and taken to google for answers, you might have discounted it as a 'mature hairline'. But this could be endangering you hair further by delaying you from...

Hair Loss CausesMan caressing hair experiencing the early signs of androgenetic alopecia.

What Is Androgenetic Alopecia?

Having great hair is an instant confidence boost. But for some, androgenetic alopecia (also known as male pattern baldness) can put a damper on things. The cause of this type of hair loss is mainly...

Hair HealthMan with advanced hair loss according to the Hamilton Norwood scale.

What is the Hamilton-Norwood scale?

Male pattern hair loss is assessed using a tool called the Hamilton-Norwood scale. A person's Norwood score provides a visual indication of how advanced their hair loss is and can provide valuable ...

Hair Loss CausesDHT and Hair Loss

DHT and Hair Loss

DHT (dihydrotestosterone) is the male sex steroid hormone responsible for male pattern hair loss. DHT levels are dictated by DHT production and metabolism, which are processes dictated by genetics.