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ARTICLES / HAIR TREATMENTS

Does stress cause hair loss? 2025 update

Yoram Harth, MD
By Yoram Harth, MD | Apr 25, 2025

Stress can affect more than just your mood. From work pressures to personal hardships, stress takes a toll on your body, and your hair is no exception. Many people notice thinning or shedding during stressful periods, but the good news is that stress-related hair loss is often reversible. In this post, we’ll explain how stress disrupts your hair’s natural cycle, outline the main types of stress-related hair loss, discuss whether and when it can be reversed, explore the role of medications, share practical stress‑management tips, and introduce the MDhair Customized Kit—a clinically tested, all‑in‑one solution that helps switch your follicles from shedding back to growth.

How Stress Disrupts the Hair Growth Cycle

Your scalp hair grows in a continuous, three‑phase cycle:

  1. Anagen (Growth Phase)
    Lasts 2–7 years. Hair cells divide rapidly, and the strand elongates.
  2. Catagen (Transition Phase)
    A brief ~2 weeks when growth stops and the follicle shrinks.
  3. Telogen (Resting/Shedding Phase)
    Hairs rest for 2–4 months before shedding and making way for new growth.

Normally, about 85–90% of your hairs are in active growth (anagen), with only 5–10% in the resting (telogen) phase. Under severe or prolonged stress, the body redirects resources away from “non‑essential” functions like hair growth. This causes many anagen follicles to abruptly enter telogen all at once. A couple of months later, those hairs shed together—this “shock shedding” is called telogen effluvium.

Chronic stress also elevates cortisol, which can lengthen the resting phase and slow regenerating follicles, delaying hair regrowth. Inflammation and reduced scalp circulation caused by stress further impair hair health.

Types of Stress‑Related Hair Loss

Stress can manifest in three main hair‑loss conditions:

Telogen Effluvium

Appearance: Diffuse thinning and excess shedding, especially when washing or combing.

Triggers: Severe illness or fever, surgery, childbirth, crash diets, major emotional trauma.

Course: Begins 2–3 months after the stressful event and usually resolves within 6–12 months once the stressor is removed.

Alopecia Areata

Appearance: Smooth, round, coin‑sized bald patches on the scalp, eyebrows, or other hair‑bearing areas.

Mechanism: An autoimmune reaction—stress can trigger the immune system to attack hair follicles in susceptible individuals.

Course: Often reversible; many see spontaneous regrowth within months. Treatments like steroid injections or topical immunotherapy can accelerate regrowth. However, flare‑ups may recur if stress returns.

Trichotillomania

Appearance: Irregular bald patches with broken hairs of varying lengths, often on the scalp, eyelashes, or eyebrows.

Mechanism: A compulsive urge to pull out hair, commonly used to relieve anxiety or tension.

Course: If hair‑pulling stops, follicles typically recover and regrow hair. Chronic, repeated pulling can scar follicles, making regrowth incomplete.

Can You Regrow Hair After Stress?

Yes, in most cases.

  • Telogen Effluvium is almost always temporary. The follicles remain intact and, once the triggering stressor is addressed, they re‑enter the growth phase. Hair usually returns to normal fullness within a year.
  • Alopecia Areata is non‑scarring. Although unpredictable, around half of mild cases see spontaneous regrowth within a year. Medical treatments can further improve outcomes.
  • Trichotillomania requires stopping the pulling behavior. With proper psychological support and habit‑reversal strategies, most follicles recover and hair regrows—sooner if the behavior is addressed early.

If you have an underlying tendency for genetic hair loss (androgenetic alopecia), stress can exacerbate shedding on top of existing pattern thinning. In these cases, you may see significant shedding followed by partial regrowth, but you’ll still need targeted treatments for pattern loss in addition to stress management.

Antidepressants, Anti‑Anxiety Medications & Hair Loss

Some psychiatric medications can trigger a form of telogen effluvium as a rare side effect:

  • Common culprits: Certain SSRIs (e.g., sertraline, fluoxetine) and bupropion have been reported to cause diffuse shedding in a small percentage of users, usually appearing 2–3 months after starting or changing dose.
  • Course: Medication‑induced shedding typically reverses within a few months of dose reduction, switching to a different drug, or discontinuation, without permanent follicle damage.

If you suspect your prescription is contributing to hair loss, consult your healthcare provider before making any changes.

Lifestyle & Wellness Tips to Support Your Hair

Eat a Balanced Diet

  • Include lean protein, iron‑rich greens, zinc (nuts, seeds), B‑vitamins, vitamin D, and healthy fats.
  • Address any nutritional gaps with supplements under medical guidance.

Prioritize Sleep

  • Aim for 7–9 hours nightly.
  • Establish a calming pre‑bed routine—dim lights, avoid screens, practice gentle breathing or meditation.

Gentle Hair Care

  1. Use a wide‑tooth comb, avoid tight hairstyles, and minimize heat or harsh chemicals.
  2. Try scalp massages to boost blood flow and relax tension.

Consider Adaptogens & Supplements

  1. Adaptogenic herbs like Ashwagandha can help your body adapt to stress and lower cortisol.
  2. Hair‑supportive supplements (biotin, collagen peptides, zinc) can ensure follicles have the nutrients they need—consult with your doctor first.

A medically proven, Holistic Regrowth Solution: The MDhair Customized Kit

Addressing stress‑related hair loss effectively requires a multi‑angle approach: nourishing follicles from within, optimizing the scalp environment, and stimulating growth directly. The MDhair Customized Kit brings all three together in a personalized system, available at mdhair.co.

Key Components

Hair Regrowth Supplements

  • Vitamins & Minerals: Biotin, vitamins D, E, C, B‑complex, zinc, selenium, and more to support keratin production and follicle health.
  • Amino Acids & Collagen Peptides: Building blocks for strong hair strands and a healthy scalp matrix.
  • Natural DHT Blockers: Saw palmetto and nettle extract to protect follicles from hormone‑related shrinking.
  • Adaptogens: Ashwagandha, Reishi, and Maitake mushrooms to lower cortisol, modulate immune response, and combat oxidative stress—key for stress‑induced hair loss.

Probiotic Scalp Shampoo

  • Lactobacillus ferment: Balances the scalp microbiome, reduces inflammation, and strengthens the skin barrier.
  • Anti‑inflammatory Botanicals: Green tea extract, niacinamide, and saw palmetto help create a calm, nutrient‑rich scalp environment.

Topical Growth Serum

  • Botanical Extracts & Peptides: Caffeine, green tea, biotin, and peptide complexes to stimulate follicles and prolong the growth phase.
  • Local DHT Blockers: Saw palmetto and other plant steroids to further protect follicles.

Why It Works

  • Inside-Out Nutrition & Stress Relief: The supplement's adaptogens help your body handle stress, while essential nutrients fuel robust hair growth.
  • Scalp Health First: Probiotics and soothing ingredients ensure your scalp isn’t inflamed or irritated—conditions that can otherwise push follicles into rest.
  • Targeted Follicle Stimulation: The serum delivers a concentrated dose of growth‑promoting compounds right where you need them.

Clinically Proven Results

A 6‑month clinical trial, published in the Journal of Drugs in Dermatology in March 2025, tested the MDhair regimen in 38 women with self‑perceived hair thinning. Findings included:

  • Over 85% of participants reported better scalp health and reduced brittleness.
  • A 69% decrease in scalp transepidermal water loss (TEWL), signaling a healthier scalp barrier.
  • 37% reduction in hair shedding at 12 weeks (32% at 24 weeks).
  • Significant improvements in hair density, thickness, and overall volume.
  • No adverse effects—participants saw visible regrowth, stronger hair shafts, and improved scalp comfort.

These results demonstrate that a personalized, multi‑therapy approach can effectively reverse stress‑related shedding and restore fuller, healthier hair.

Take Charge of Your Hair Health

Stress‑induced hair loss can feel alarming, but it’s seldom permanent. By combining consistent stress management, healthy lifestyle habits, and a targeted regimen like the MDhair Customized Kit, you can address both the cause and the effect. Remember, hair regrowth is a journey—results typically emerge over several months. Stay patient, stay diligent, and support your scalp and follicles from every angle.

Ready to switch your follicles from shedding back to growth? Explore the MDhair Customized Kit at mdhair.co and start your personalized hair regrowth plan today.


References

  1. Katoulis AC, et al. Integrative and Mechanistic Approach to the Hair Growth Cycle. J Clin Med. 2023;12(3):893.
  2. Choi S, et al. Corticosterone Inhibits GAS6 to Govern Hair Follicle Stem-Cell Quiescence. Nature. 2021;592:428–432.
  3. Asghar F, et al. Telogen Effluvium: A Review of the Literature. Cureus. 2020;12(5):e8320.
  4. Ahn D, et al. Psychological Stress-Induced Pathogenesis of Alopecia Areata. Int J Mol Sci. 2023;24(14):11711.
  5. Grant JE. Trichotillomania (Hair Pulling Disorder). Indian J Psychiatry. 2019;61(Suppl 1):S136–S139.
  6. Kıvrak Y, et al. Diffuse Hair Loss Induced by Sertraline Use. Case Rep Psychiatry. 2015;2015:703453.
  7. Chandrasekhar K, et al. Safety and Efficacy of Ashwagandha Root Extract in Reducing Stress. Indian J Psychol Med. 2012;34(3):255–262.
  8. Thom E. Stress and the Hair Growth Cycle: Cortisol‑Induced Hair Growth Disruption. J Drugs Dermatol. 2016;15(8):1001–1004.
  9. Etminan M, et al. Risk of Hair Loss with Different Antidepressants. Int Clin Psychopharmacol. 2018;33(1):44–48.
  10. Bhardwaj V, et al. AI-Based Personalization of Treatment Regimen for Hair Loss: A 6‑Month Trial. J Drugs Dermatol. 2025;24(3):233–238.

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