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Does TRT Cause Hair Loss? Everything You Need to Know

Writer's picture: Dr. Eric PeretzDr. Eric Peretz

Testosterone Replacement Therapy (TRT) is a widely used treatment for individuals with low testosterone levels. While it offers significant benefits, some worry it may contribute to hair loss. This guide explores how TRT affects hair, why hair loss may occur, and what you can do about it.


Understanding TRT and Its Effects on Hair

What is Testosterone Replacement Therapy (TRT)?

TRT is a medical treatment designed to restore optimal levels of testosterone in the body. It’s prescribed to address symptoms such as fatigue, reduced muscle mass, low libido, and mood swings. Testosterone, an essential hormone for both men and women, also influences hair growth and loss due to its conversion into dihydrotestosterone (DHT), a hormone linked to hair thinning.


Benefits of TRT for Men and Women

TRT can improve:

  • Energy levels: Patients report feeling more energetic and focused.

  • Muscle mass: Enhanced protein synthesis improves muscle tone and strength.

  • Libido: Restoring testosterone often boosts sex drive in men and women.

  • Mood and clarity: TRT can reduce depression and improve cognitive performance.

While these benefits enhance quality of life, the hormone’s influence on DHT may raise concerns about hair loss.


Common Side Effects of Testosterone Therapy

Like any treatment, TRT has potential side effects, including:

  • Skin changes: Increased testosterone may cause oily skin or acne.

  • Fluid retention: Mild water retention can occur.

  • Changes in hair growth: Body hair may increase, but scalp hair could thin due to DHT.

  • Mood swings: Hormonal fluctuations may affect emotional stability.

Not everyone experiences hair loss on TRT, but individuals predisposed to androgenetic alopecia (male or female pattern baldness) or female pattern hair loss may be more susceptible.


Does TRT Cause Hair Loss in Men and Women?

TRT can influence hair health differently in each individual. While some notice increased body hair or facial hair growth, others may experience thinning on the scalp. These effects are tied to dihydrotestosterone (DHT), a byproduct of testosterone.


The Link Between Testosterone and Hair Loss

Testosterone itself doesn’t directly cause hair loss, but its conversion (around 10%) into DHT can. This raises the question: does testosterone make you lose hair? The answer lies in understanding how DHT affects hair follicles. DHT binds to hair follicles and shrinks them over time, slowing hair growth and leading to thinning or balding, particularly in those with genetic predispositions.


How DHT Affects Hair Follicles During TRT

DHT can contribute to hair loss in people who are genetically susceptible to androgenetic alopecia. Those with male pattern baldness (male androgenic alopecia) have hair follicles that are particularly sensitive to DHT. This hormone binds to androgen receptors in the follicles, disrupting the normal hair growth cycle and shortening the anagen (growth) phase.

Hair Groth Cycle Infographic


Why Some People Experience Hair Loss on TRT

Several factors determine susceptibility:

  • Genetics: Androgenetic alopecia increases the likelihood of hair thinning.

  • Hormonal sensitivity: Some people’s follicles are more sensitive to DHT.

  • Dosage: Higher TRT dosages can elevate DHT production, amplifying its effects.

Not everyone on TRT will experience hair loss, as individual responses vary widely.


How to Prevent Hair Loss While on TRT

While hair loss can be a side effect of TRT, it’s not unavoidable. Understanding how to prevent hair loss while taking testosterone is key. Here’s how to protect your hair:

Adjusting Testosterone Dosages to Minimize Hair Loss

A healthcare provider can monitor your testosterone levels and adjust dosages to keep DHT production in check. Maintaining moderate levels of testosterone reduces the risk of hair follicle damage.


Effective DHT Blockers and Their Role

DHT blockers prevent testosterone from converting into DHT. Common options include:

  • Finasteride: A prescription medication that slows hair loss and supports regrowth by inhibiting the 5-alpha-reductase enzyme.


How to make sure you respond well to finasteride?? There is a slight delay.



  • Dutasteride: A stronger alternative that blocks both types of 5-alpha-reductase enzymes.

Always consult a doctor before starting DHT blockers, as they may cause side effects.

Feel free to read our related article: Hair Transplant Without Finasteride: What You Need to Know


Lifestyle and Diet Tips to Support Hair Health

Simple habits can promote healthy hair:

  • Balanced diet: Include biotin, zinc, and iron-rich foods for hair growth.

  • Exercise: Regular workouts improve blood flow to hair follicles.

  • Stress management: Practices like yoga or meditation can reduce hair-thinning stress triggers.

  • Hair care: Use gentle shampoos and avoid excessive heat styling.


Treating Hair Loss Caused by TRT

If you’ve already noticed hair thinning, several treatment options are available.

Medical Treatments for TRT-Related Hair Loss

  • Topical Minoxidil: This over-the-counter solution stimulates blood flow to hair follicles, encouraging regrowth.

  • Low-Level Laser Therapy (LLLT): Devices like laser combs use light energy to rejuvenate follicles.

These treatments often work best when combined under a healthcare provider’s guidance.


Hair Transplants for Severe Hair Thinning

For individuals experiencing advanced hair loss, hair transplants provide a reliable and permanent solution. Two popular methods include:

  • FUE (Follicular Unit Extraction): This technique involves extracting individual hair follicles from the donor area and transplanting them to areas of thinning or baldness. FUE ensures precision and minimal scarring while delivering natural-looking results.



  • DHI (Direct Hair Implantation): An advanced approach where extracted follicles are directly implanted into the scalp using a specialized implanter tool. DHI offers greater control over angle, depth, and direction, providing a more natural outcome with a faster recovery time.


Both methods are highly effective in restoring hair density and confidence. Consulting with a qualified hair clinic can help determine the best option based on your specific needs and hair loss pattern.


Natural Hair Loss Remedies: Do They Really Work?

Natural remedies may complement medical treatments but are rarely effective alone.

  • Essential oils: Rosemary and peppermint oil may improve scalp circulation. Although we wouldn't recommend essential oils as the only line of defense for hair loss.



  • Supplements: Biotin, zinc, and omega-3 fatty acids can support hair health.


The Bigger Picture: TRT, Hair Loss, and Overall Health

Can TRT Cause Hair Growth in Certain Cases?

TRT may enhance body and facial hair growth. For individuals with low testosterone, restoring levels may improve the quality of existing scalp hair, making it appear thicker.

Does TRT Increase the Risk of Cancer?

There’s no conclusive evidence that TRT increases cancer risk when appropriately managed. Regular monitoring ensures safe treatment.

Balancing TRT Benefits and Hair Health

Combining TRT with a healthy lifestyle and regular medical check-ups helps maximize benefits while minimizing side effects like hair loss.


Why Trichogenics is Your Best Choice for Hair Restoration

Expertise in Treating TRT-Induced Hair Loss

Trichogenics specializes in addressing the unique challenges of TRT-related hair loss. Our experienced team provides personalized care and proven solutions.

Advanced Hair Transplant Technology in Greece

We use cutting-edge techniques like FUE and DHT to deliver natural, long-lasting results with minimal downtime.

Personalized Treatment Plans for Long-Term Results

Our comprehensive approach ensures every patient receives tailored care, combining lifestyle adjustments, medications, and surgical options as needed.


Final Thoughts on Managing Hair Loss While on TRT

Hair loss doesn’t have to be an inevitable side effect of TRT. By understanding the relationship between testosterone therapy and hair health, you can answer questions like, 'Can testosterone cause hair loss?' and take proactive steps to minimize hair thinning. With advanced treatments and expert guidance, Trichogenics can help you maintain a healthy, full head of hair while reaping the benefits of TRT.


The Trichogenics Difference: Hair Transplant Experts

Check out our clinic reviews and schedule a consultation for a hair loss evaluation and to check your eligibility for a hair transplant. We are here to answer your questions. We will create a treatment plan just for your hair restoration goals.



Frequently Asked Questions About TRT and Hair Loss

How Common is Hair Loss on TRT?

Hair loss isn’t universal. Individuals with sensitivity to DHT or a history of androgenetic alopecia are more likely to experience hair thinning while on TRT.

Will Hair Grow Back After TRT?

Does Testosterone Cause Hair Thinning?



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