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Stress primarily increases hair fall and does not directly elevate DHT (dihydrotestosterone) levels. When you experience severe psychological and physical stress, your body's cortisol levels increase. This can push your healthy hair follicles from the active growth phase to the resting or shedding phase prematurely. This condition of hair fall is called telogen effluvium. You can usually see an increase in hair fall 2 to 3 months after periods of stress.
What Is DHT Physiology and How Does It Work?
Dihydrotestosterone (DHT) is a natural androgen hormone formed when the enzyme 5-alpha-reductase (5AR) converts testosterone into DHT within tissues such as the scalp and hair follicles. According to the StatPearls 2023 review on dihydrotestosterone, DHT has "approximately twice the affinity for the androgen receptor" compared with testosterone, making it a more potent androgen.
If you are genetically predisposed to androgenetic alopecia (male or female pattern hair loss), certain hair follicles on your scalp are genetically sensitive to DHT. The repeated binding of DHT to androgen receptors over time changes how the genes controlling your hair growth cycle react. This causes your follicles to become smaller and produce thinner, shorter strands.
How Are Stress and DHT Related?
According to the review 'Stress and the Hair Growth Cycle’, chronic stress activates the body's stress response, increasing cortisol levels that can disrupt the normal hair growth cycle and contribute to excessive hair shedding.
However, current evidence does not show that psychological stress directly increases DHT levels or triggers DHT-mediated hair loss. Stress and DHT can affect your hair through different biological pathways.
Does High DHT Increase Stress?
If you have high DHT levels, it does not directly cause psychological stress. Rather than high DHT directly causing stress, chronic stress elevates cortisol levels, which in turn increases androgen sensitivity and disrupts hair growth cycles.
The relationship works in reverse: stress increases your body's susceptibility to DHT-related effects. Together, these mechanisms may make hair fall appear more severe, even though they operate through different biological processes.
How Are Cortisol and DHT Related?
Your hair growth cycle and hair follicles are influenced by several hormones in your body, including cortisol (your body's primary stress hormone). Chronic stress activates the hypothalamic-pituitary-adrenal (HPA) axis, which increases your cortisol levels. Elevated cortisol levels contribute to stress-related hair fall, affect normal hair follicle function, and may disrupt the hair growth cycle.
The table below shows the differences between cortisol and DHT:
|
Cortisol |
DHT |
|
Primary stress hormone involved in stress regulation. |
Primary androgen involved in pattern hair loss. |
|
Increases during periods of chronic stress. |
Derives from testosterone by 5-alpha-reductase |
|
Disrupts the hair growth cycle. |
Miniaturises genetically susceptible hair follicles. |
|
Mainly linked to temporary hair shedding (telogen effluvium). |
Mainly linked to genetic or hormonal pattern hair loss (androgenetic alopecia). |
|
Does not directly increase DHT. |
Does not directly increase cortisol. |
Do Stress Hormones Trigger Hair Loss?
Prolonged stress keeps cortisol levels elevated, reducing the activity of hair follicle stem cells that are responsible for starting a new hair growth cycle. When these stem cells remain inactive for longer, hair follicles stay in the resting (telogen) phase instead of re-entering the growth (anagen) phase, resulting in increased hair fall and slower hair regrowth.
How to Manage Stress-induced Hair Loss?
Managing stress-induced hair fall starts with addressing both your stress levels and your overall hair health. Since stress-related hair fall is often temporary, reducing chronic stress can often help your hair growth cycle gradually return to normal.
- Identify and manage your stress triggers: Incorporating stress-management techniques into your daily routine may help reduce cortisol levels over time.
- Prioritise quality sleep: Aim for 7–9 hours of sleep each night to support hormonal balance and healthy hair follicle function.
- Eat a balanced, protein-rich diet: Eating a balanced diet can help your hair recover and get an adequate supply of protein, iron, zinc and essential vitamins to support normal hair growth. This is essential, especially if nutritional deficiencies are contributing to hair shedding.
- Treat any underlying hair condition: If your hair fall persists beyond a few months or continues to worsen, consult a dermatologist to identify the underlying cause and discuss appropriate treatment options.
- Be patient with recovery: Hair doesn't regrow immediately after stress levels improve. Because hair grows in cycles, it may take several months before you notice reduced shedding and visible regrowth.
In most cases, stress-induced telogen effluvium improves once the underlying stressor is resolved.
Professional Treatments for Hormonal Stress-related Hair Loss
If chronic stress has triggered hair shedding alongside hormonal hair loss, your dermatologist may recommend one or more of the following treatments based on the underlying cause of hair fall and severity of your condition.
This table shows the professional treatments suggested by dermatologists and how they may help:
|
Treatment |
How It Helps |
|
Topical Minoxidil |
Stimulates hair growth by prolonging the anagen (growth) phase of the hair cycle, improving hair density and can also support regrowth after stress-related hair fall. |
|
Oral or Topical Finasteride (for appropriate candidates) |
Inhibits the enzyme 5-alpha-reductase, reducing the conversion of testosterone into DHT. Lower DHT levels help slow follicle miniaturisation in people with androgenetic alopecia. |
|
Platelet-Rich Plasma (PRP) Therapy |
May stimulate hair follicles, improve hair density and complement medical treatment for androgenetic alopecia. |
|
Low-Level Laser Therapy (LLLT) |
Stimulates hair follicles and supports hair growth. It is often used as an adjunct treatment for pattern hair loss and may enhance the results of other therapies. |
|
Combination Therapy (Treatments and Medications) |
Treats both the underlying hormonal component and the effects of stress, often providing better long-term outcomes than addressing either condition alone. Although individual experiences may vary. |
Note: Finasteride is primarily prescribed for men, while its use in women depends on age, reproductive status and a doctor's recommendation.
Minoxidil and Finasteride typically take four to six months to show visible results, and both should be used under medical supervision, with possible side effects discussed with a doctor.
Traya’s Perspective on Stress and DHT
Hormonal stress-related hair fall is often influenced by multiple factors, including DHT sensitivity, chronic stress, nutrition, and overall scalp health. At Traya, we believe that a personalised treatment plan to address the root cause of your hair loss can help improve long-term outcomes.
The Traya Hair Test assesses these factors and provides a personalised kit that works for your scalp and hair. Instead of offering generic topicals, you get dermatologist-prescribed topical treatments, supplements and hair coach guidance. This ensures a holistic approach that targets the root cause and helps maintain hair health.
Frequently Asked Questions
1. Can high cortisol stop hair growth?
Yes, high cortisol severely impacts hair growth by shortening the active hair growth (anagen) phase and prematurely pushing hair into the resting and shedding (telogen) phase. This disruption causes excessive hair fall and can stunt healthy hair growth.
2. Can you have hair loss due to stress?
Yes, stress can be one cause of hair loss. It usually triggers a temporary condition called telogen effluvium, where severe stress forces a large number of hair follicles into a resting phase prematurely.
3. What to take for hair loss due to stress?
You need targeted supplements that include zinc, vitamin D, vitamin B, or biotin (if deficiencies exist), along with topical medication treatment prescribed by a qualified dermatologist to treat hair fall caused by stress.
4. Do you produce more DHT when stressed?
Stress does not directly increase Dihydrotestosterone (DHT) levels. Instead, stress can make hair follicles much more sensitive to existing DHT, speeding up androgenetic alopecia and causing significant hair loss.
5. How long does hair loss from stress last?
Hair fall caused by stress typically lasts 3 to 6 months. Once the underlying stress is managed, your hair will slowly return to its normal density over the following 6 to 9 months.
References
- https://www.nih.gov/news-events/nih-research-matters/how-stress-causes-hair-loss
- https://pmc.ncbi.nlm.nih.gov/articles/PMC12403196/
- https://pmc.ncbi.nlm.nih.gov/articles/PMC7432488/
- https://pmc.ncbi.nlm.nih.gov/articles/PMC11514570/
- https://jddonline.com/articles/stress-and-the-hair-growth-cycle-cortisol-induced-hair-growth-disruption-S1545961616P1001X
- https://pmc.ncbi.nlm.nih.gov/articles/PMC11812484/
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