UBCNews - Business - Testosterone Replacement Therapy & Hair Loss: Why It Happens & How To Prevent It

Episode Date: February 25, 2026

Alright, so let's talk about something that's on a lot of guys' minds when they're thinking about TRT – hair loss. You know, there's this worry that testosterone therapy might actually make you lose hair. What's really happening there? TRT Australia City: Hurstville Address: 7–11 The Avenue Website: https://trtaustralia.com/x

So let's talk about something that's on a lot of guys's minds when they're thinking about TRT, hair loss. You know, there's this worry that testosterone therapy might actually make you lose hair. What's really happening there? Yeah, it's a common concern, and honestly, it's worth understanding. So here's the thing. Testosterone itself isn't directly causing hair loss. What happens is your body converts testosterone into another hormone called D.HT or dihydrotrotrotrotor. testosterone. D.H.T. is what actually binds to hair follicles on your scalp and causes them to shrink

over time. That process is called miniaturization, and it leads to thinning and shedding. Right, so it's really about D.H.T. Not testosterone itself. But why does this happen to some guys and not others? Exactly. It comes down to genetics, mostly. If you have a family history of male pattern baldness, maybe your dad or your uncles lost their hair, you're probably more sensitive to Dhty. That genetic sensitivity is the major factor in whether you'll experience hair loss on TRT or not. Okay, so genetics play a huge role.

But what about the actual numbers? How common is hair loss for guys on TRT? Well, research shows varying rates, but it's definitely more common than in men, not on TRT. Some studies report around 6% of men on TRT. of men on TRT experience hair loss, while others show higher percentages depending on the duration and individual factors. For most guys, the changes are relatively mild, but the key is catching it early. Mm-hmm. I hear you. And does the hair just fall out right away, or is it more gradual?

It's definitely gradual. In the first few months, you might notice a bit more shedding, like in the shower or on your pillow. but without any prevention, it could progress to visible thinning over one to two years. Some guys initially see faster growth from the testosterone boost, but then D.HT suppresses the follicles over time. So basically, the testosterone gives you a growth spurt, but then DHT comes in and undermines it. That's frustrating. But here's the big question. Are there actually effective ways to stop hair loss while you're on TRT?

Absolutely, and this is where it gets encouraging. The best approach is starting preventative therapy right when you begin TRT. You can use medications like fanasteride or dutosteride, which block DHST activity on your scalp follicles. These work to maintain your hair and even help regrow it in most cases. I mean, prevention is really the name of the game here. That point about preventative therapy sets up our next piece, the specific medications and how they work. But first, a quick word from our sponsor. This episode is brought to you by TRT Australia, the nation's leading telehealth clinic

specializing in testosterone replacement therapy. They offer a simple, accessible, and personalized approach to hormone therapy with thorough blood testing, expert medical consultations, and ongoing treatment delivered directly to your door. Whether you're just starting your TRT process or looking for better support, They've got you covered. Learn more at the link in the description. Picking up on preventative therapy, how exactly do fine asteroid and dutasteride work? And what's the difference between them? Great question. So finestiride works by inhibiting an enzyme called 5 alpha reductase, which is what converts

testosterone into dh-hty. By blocking that enzyme, you reduce dh-t levels in your scalp and slow down hair loss. In many cases, you'll actually see some regrowth. Dutasteride is similar, but it inhibits both type 1 and type 2 of that enzyme, so it's often more effective, especially if you're genetically predisposed. I see. So dutastoride is like the stronger version. What about other options? I've heard of monoxidil. That's Rogaine, right? Yeah, exactly. Minoxidil is available over the counter, usually as a 5% foam or liquid. It works differently. Instead of blocking D.HT, it increases blood flow to your hair follicles

and extends the hair growth cycle. You can use it alongside fanasteride or dutosturide for a combined approach. So you're hitting the problem from two angles, blocking DHT and stimulating growth. That's smart. Are there any other treatments people should know about? Definitely, PRP injections. that's platelet-rich plasma can stimulate growth factors in your scalp. There's also microneedling, which can actually boost the absorption of monocidal,

and laser treatments can increase blood flow and stimulate metabolism in your hair follicles to promote regrowth. I actually had a patient who combined finasteride with microneedling, and he saw noticeable improvement within about six months. He was thrilled. That's great to hear. Wow, so there's a whole toolkit here. But I'm curious, what if someone decides to stop TRT? Will their hair grow back? That's tricky. If DHT has already significantly shrunk your hair follicles,

quitting TRT won't automatically reverse that damage. However, starting prevention when you stop TRT can help maintain and regrow some hair. The key is continuing with DHT blockers and monocidal during that transition. Think of it this way. Once the follicles are damaged, they need active. support to recover. Right, exactly. So it's not a guarantee, but there are things you can do. What about dosing? Does the amount of testosterone you take affect hair loss? Yeah, it does. Higher doses can elevate Dht more, so working with a doctor to find the optimal dose can help avoid excessive DHT elevation. Regular monitoring

of your hormone levels is really important for preventing hair loss. It's all about finding that balance. Makes sense. Now, I want to ask, what about transgender individuals on testosterone? Do they face the same hair loss issues? They absolutely can. Transgender people on testosterone HRT can also experience male pattern baldness due to DHT. Studies show varying rates of hair loss in trans men on testosterone, with some reporting around one-third experiencing some degree of thinning, while others show different percentages over time.

The same preventative measures apply, finesteride, dudasteride, monoxide, and so on. So the treatments are the same across the board. That's good to know. One more thing. If prevention doesn't work, what are the options? I mean, are we talking hair transplants here? Yes, surgical options like hair transplants are available. They're typically recommended once hair loss has stabilized. Basically, hair follicles are transplanted from areas that aren't affected by D.H.T. to the thinning areas. It's more invasive, but it can be effective for guys who've tried everything else. I joke with my patients that it's like landscaping. You're just moving grass from one part of the lawn to another. Ah, that's a good way to put it. I had a friend who

went through a hair transplant, and he was really happy with the results, though he said the recovery took a few weeks. Yeah, recovery can take some time, but for many people, it's worth it. The important thing is that you have options, whether you're on TRT or not. So to everyone listening, if you're worried about hair loss on TRT, just know that it's manageable. Have you ever wondered if starting early with prevention could make all the difference? Early intervention is key, and there are multiple treatments that can help you maintain your hair. Exactly. Hair loss on TRT is something that can happen, but with the right approach and early action, most guys can keep their hair and enjoy the benefits of testosterone therapy.

Prevention really is the best strategy. Or put another way, acting early gives you the best shot at protecting your hair. Perfect. Thanks for breaking all of that down. Really helpful stuff.