Can Low Testosterone Cause Hair Loss?

Does Low Testosterone Cause Hair Loss?

Some studies suggest that low testosterone may contribute to hair thinning, but the relationship isn’t straightforward. While low T can influence overall vitality and hair quality, genetics and other health factors usually play a bigger role in hair loss. In fact, many men with normal testosterone levels still experience hair loss due to hereditary male pattern baldness, while others with low testosterone retain a full head of hair. This means testosterone is one piece of the puzzle, but not the whole story.

The Connection Between Testosterone, DHT, and Hair Loss

One of the key hormones linked to hair loss is dihydrotestosterone (DHT) — a byproduct of testosterone. DHT can bind to hair follicles and gradually shrink them, leading to thinner strands and eventually baldness.

Does Low Testosterone Mean Low DHT?

Not necessarily. Some men with low testosterone still have high DHT levels due to how their bodies metabolize hormones. This is why men with low T may still experience male pattern hair loss.

Genetic Factors vs. Hormonal Causes

Genetics largely determine who will develop androgenetic alopecia (male pattern baldness). If there’s a family history of early hair loss, testosterone levels may not matter as much as genetic predisposition.

Other Potential Causes of Hair Loss

• Alopecia areata – an autoimmune condition
• Telogen effluvium – stress-induced hair shedding
• Medical conditions – thyroid disorders, anemia, or chronic illness
• Medications – certain cancer treatments, antidepressants, or blood thinners
• Lifestyle factors – poor diet, high stress, smoking, or nutrient deficiencies

In short, testosterone and DHT play important roles, but they aren’t the only drivers of hair loss.

Can TRT Help Reverse Hair Loss?

Testosterone Replacement Therapy (TRT) restores healthy testosterone levels in men with clinically low T. By correcting hormonal imbalance, TRT may stabilize hair loss related to hormone deficiency. Patients often report thicker hair quality and reduced shedding once their testosterone is restored to a healthy range. However, TRT is not a cure for male pattern baldness, which is primarily genetic and DHT-driven. In fact, because TRT increases testosterone, it may raise DHT levels in some men, which can worsen hereditary hair loss. This is why careful monitoring and individualized treatment are crucial. Learn more about the Benefits of TRT

Alternative Treatments for Hair Loss

Because hair loss has multiple causes, a variety of treatments may be recommended alongside or instead of TRT.

Medications

• Minoxidil (Rogaine): increases blood flow to follicles; best for early-stage thinning.
• Finasteride (Propecia): blocks DHT production; effective for male pattern baldness.
• Dutasteride: similar to finasteride, sometimes more potent.
• Spironolactone: occasionally prescribed for women with androgen-related hair loss.

Lifestyle Changes

• Nutrient-rich diet (iron, zinc, biotin, vitamin D)
• Stress management and adequate sleep
• Scalp health and hair care practices

Procedures

• Platelet-Rich Plasma (PRP) therapy: growth factors from the patient’s blood stimulate follicles.
• Hair transplant surgery: relocating follicles from donor areas to thinning spots.

Read more about whether TRT is safe

How Aligned Modern Health Treats Low Testosterone and Hair Loss

At Aligned Modern Health, we don’t treat hair loss in isolation. Instead, we evaluate whether low testosterone may be contributing and design a plan that supports overall health as well as cosmetic concerns. Our approach includes:

• Comprehensive hormone testing to determine root causes
• Personalized TRT plans when appropriate
• Nutritional guidance and supplementation to support hair and hormone health
• Lifestyle coaching to address stress, sleep, and fitness factors
• Ongoing monitoring to ensure both safety and results

With our integrative model, patients receive care that considers the whole person, not just one symptom.
Explore Hormone Therapy and Longevity at AMH

Conclusion

Low testosterone may play a role in hair thinning, but it’s rarely the only cause. Genetics, DHT levels, lifestyle, and medical conditions are often bigger contributors. For those with clinically low testosterone, TRT may help stabilize hair loss, but a personalized plan is essential for safe, effective results. If you’re experiencing hair loss and suspect low testosterone, Aligned Modern Health can help you uncover the root cause and create a treatment plan tailored to you. Schedule a consultation today to learn how we can support your hormone health and confidence.