Dihydrotestosterone and Hair Loss: What You Need to Know

Introduction

Hair loss is something many of us face at some point in our lives. It can be a frustrating and emotional experience to see your hair coming off your head. It may begin with just a few strands of hair in the shower, or you may notice a widening part when looking in the mirror. While this happens, most people ask, “Why is this happening to me?

For many people, the answer lies in a hormone called dihydrotestosterone (DHT). While it has an important role in the body, having too much or being too sensitive can lead to hair thinning and baldness. In this article, let us explore its connection with hair loss, what causes this imbalance, how to treat it, and the common myths you should stop believing about it.

What Is Dihydrotestosterone?

Dihydrotestosterone (DHT) is a hormone produced when testosterone is converted by an enzyme called 5-alpha reductase. It is stronger than testosterone and binds more readily to skin, scalp, and prostate hormone receptors. Both men and women produce DHT in different amounts. Although it has several important benefits, too much DHT in the scalp binds to the hair follicles, making them shrink, leading to thinner and shorter hair.

What Does DHT Do for the Body?

The functions of DHT go beyond hair growth. During puberty, the hormone DHT helps in things such as

• Developing facial and body hair.

• Supporting sex drive.

• Prostate maturation.

• Deepening of the voice.

• Maintaining muscle mass.

• Impact energy levels and mood.

DHT also increases skin sebum (oil) production, which is why it is also linked to acne in some individuals.

What Are the Common Signs of DHT-Related Hair Loss?

DHT-related hair loss signs are seen differently in men and women and are termed "pattern baldness" or "androgenic alopecia."

In men, signs include:

• Progressive backward shifting of the hairline.

• Thinning the hair at the crown.

• Gradual baldness over time.

In women, signs include:

• Diffuse thinning, especially in the crown region.

• Seen as a widening part line in the mirror.

• Less likely to experience baldness, but a significant decrease in volume is seen.

What Causes High DHT Levels?

Some people naturally produce more DHT, or their hair follicles are too sensitive.

The factors that contribute to an increase in DHT are:

1. Genetics: If you have a family history of hair thinning or baldness, your follicles may be predisposed to respond strongly to even normal levels of DHT.

2. Hormonal Imbalance: Increased testosterone levels can result in higher DHT conversion, especially in conditions like polycystic ovary syndrome (PCOS) in women.

3. Diet: Consuming a high-sugar diet and processed and junk food may influence the production of DHT and trigger an imbalance.

4. Stress: Chronic stress disrupts hormonal function, indirectly increasing DHT levels by altering cortisol and insulin resistance.

What Causes Low DHT Levels?

On the other hand, some individuals experience low DHT, which may be caused by:

1. Aging.

2. Endocrine disorders.

3. Use of DHT blockers.

These individuals may show signs like decreased sex drive, less energy, more tiredness, mood disturbances, and poor muscle development. The doctor may prescribe supplements to restore the balance, which carries a risk of DHT hair loss in predisposed individuals.

DHT vs. Testosterone

Though they are related, testosterone and dihydrotestosterone play slightly different roles.

• Testosterone is the more general-purpose hormone found in men and women. It regulates muscle growth, mood, libido, and red blood cell production.

• DHT has more localized effects, is more potent, and targets specific tissues like the hair, skin, and prostate.

A small amount of testosterone is converted to DHT, but in genetically predisposed people, even small increases can cause hair thinning or loss.

How to Diagnose Dihydrotestosterone Hair Loss?

If you are worried about hair loss, consult a dermatologist or trichologist.

They will recommend:

1. Visual Scalp Examination: Identifying the characteristic pattern of receding hairline and thinning of hair. A gentle tug test will help in assessing the strength of the hair.

2. Dihydrotestosterone Blood Test: A blood test showing DHT imbalance and clinical symptoms will help confirm the cause of hair loss.

3. Hormonal Panel: This will help rule out conditions like iron deficiency, thyroid disorders, or autoimmune disorders and pinpoint if DHT is causing hair loss.

Medical Treatments to Manage DHT and Hair Loss

Different treatment options are available to reduce DHT levels and support hair regrowth.

1. Medications: They block the 5-alpha reductase enzyme, reducing DHT production.

   1. Finasteride.

   2. Dutasteride.

   3. Spironolactone.

   4. Cyproterone acetate.

   5. Topical Clascoterone.

2. Topical Solutions:

   1. Topical Minoxidil - FDA (Food and Drug Administration) approved for hair regrowth.

   2. Topical Finasteride - Has fewer systemic side effects.

   3. Ketoconazole Shampoo - Antifungal with mild DHT-blocking effects.

3. Low-Level Laser Therapy: This helps to stimulate hair follicle activity through light energy.

4. Platelet-rich Plasma: These are growth factor injections given into the scalp.

5. Lifestyle Modifications: These can impact blood flow to hair follicles.

   1. Maintain a nutritious diet.

   2. Stress control.

   3. Regular exercise.

   4. Quitting smoking.

6. Hair Transplant: This is a surgical option for advanced hair loss. It is a permanent solution in which hair follicles are relocated to thinning areas.

7. Natural Remedies: These are natural agents with potential, but results can vary from person to person.

   1. Biotin.

   2. Pygeum bark.

   3. Pumpkin seed oil.

   4. Caffeine.

DHT Blocker Side Effects

DHT blockers are prescribed to lower the hormone levels and reduce hair loss. However, when taken on a long-term basis, they show certain side effects such as erectile dysfunction, reduced sex drive, and issues with ejaculation. Most of the time, the side effects subside on stopping the medication. However, this must be done with the consent of the dermatologist.

What Are Some Myths and Misconceptions Related to DHT-Related Hair Loss?

1. Does DHT Hair Loss Have Any Gender Predilection?

No, DHT hair loss has no gender predilection and affects both men and women. Though it is common in men to cause male pattern baldness, women, particularly those with PCOS and hormonal issues, also experience more hair thinning and loss due to DHT.

2. Can You Eliminate DHT?

Not safely. DHT has effects on mood, sexual health, and body hair development. The goal is not to eliminate DHT, but rather to balance it.

3. Is DHT Always Bad?

No. DHT is a vital hormone. The problem only occurs when the body produces too much or if the hair follicles are too sensitive. Many people live with normal DHT levels and never experience any hair loss.

Conclusion

This article explains that dihydrotestosterone (DHT) may lead to hair thinning, shedding, and loss in susceptible individuals, people with hormonal imbalances, or those with follicular sensitivity to DHT. The good news is that it is not inevitable or untreatable.

With a combination of the right test, especially the dihydrotestosterone blood test, early intervention, medical treatment, and lifestyle adjustments, it is possible to slow down the progress and reverse the damage done to the hair.

Keynote from iCliniq

If you have severe hair shedding and wonder if hormones are involved, do not panic. Contact us at iCliniq to help identify the cause and guide you towards options for healthier hair and overall well-being.