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Glossary Stress Response

body's reaction to perceived threats, involving hormone release

The stress response is the body's way of reacting to perceived threats or challenges, often referred to as the "fight-or-flight" response. It involves the release of hormones like adrenaline and cortisol, which prepare the body to either confront or flee from the stressor. This response can affect various bodily functions, including heart rate, digestion, and even hair growth, potentially leading to conditions like stress-induced alopecia.

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Research

5 / 1000+ results

research Skin Gamma Delta T Cell Gene Expression Highlights Stress Response in Alopecia Areata 2258104

July 2026 in “The Journal of Immunology”

This study observed that in both mouse and human models of alopecia areata, T cells exhibit a stress response involving heat shock proteins and other regulatory markers, suggesting their potential as targets for therapeutic intervention in this autoimmune skin disease.

research Author response: Quantitative mapping of human hair greying and reversal in relation to life stress

1 citations , May 2021

This study found that some white or grey human hairs can naturally regain pigmentation, suggesting a potential temporary reversibility of hair greying associated with stress and molecular changes.

research Adult skin acute stress responses to short‐term environmental and internal aggression from exposome factors

37 citations , June 2021 in “Journal of the European Academy of Dermatology and Venereology”

This review discusses how acute exposures to environmental and internal stressors can quickly alter skin functions, leading to various dermatological symptoms, and calls for more research on these short-term effects.

research Divergent neuroactive steroid responses to stress and ethanol in rat and mouse strains: relevance for human studies

34 citations , April 2014 in “Psychopharmacology”

This review discusses the pharmacological properties and physiological regulation of neuroactive steroids, focusing on their varied responses to stress and ethanol in rats, mice, and humans, but it reports no new findings.

research The Yin–Yang of Stress and Senescence: Integrated Stress Response and SASP Crosstalk in Stem Cell Fate, Regeneration, and Disease

November 2025 in “Biocell”

This article explores how the integrated stress response and senescence-associated secretory phenotype influence stem cell fate decisions, highlighting their dual roles in both protecting and disrupting stem cell integrity.

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Community Join

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community Intermittent fasting reduces hair growth?!? :(

35 upvotes 1 year ago

Intermittent fasting may inhibit hair growth by triggering a stress response that affects hair-follicle stem cells. Some users believe genetics and DHT play a larger role in hair loss, and treatments like Minoxidil and Finasteride are mentioned as ineffective for some.

community Why is no one talking about coffee and TE/hairloss?

9 months ago

The conversation discusses hair loss and its potential link to caffeine consumption, with the original poster experiencing increased shedding after consuming more coffee. They mention being a non-responder to finasteride and plan to reduce coffee intake, while others suggest various factors like stress, physical exertion, and medication changes could also contribute to hair loss.

community 23M Wierd blood test results after 7 months on finasteroid (1mg daily)

5 upvotes 8 months ago

A user experienced unexpected hormone test results after 7 months on 1mg daily finasteride, noting a decrease in estradiol despite expectations of an increase. Other users suggested that hormone responses can vary and that finasteride might still be effective if DHT levels are within range, while also mentioning factors like circadian rhythm and stress that could impact results.

community Weird response to microneedling

in Microneedling 40 upvotes 1 year ago

Microneedling can cause sneezing and eye tearing due to nerve stimulation, particularly near the temples and forehead. Some users find it lessens over time, while others prefer using finasteride and minoxidil for hair growth.

community Dutasteride responders, when did you first notice results?

5 upvotes 2 weeks ago

Dutasteride users report varying results, with some noticing improvements in hair retention and reduced shedding within months, while others see minimal progress even after a year. Additional treatments mentioned include oral Minoxidil, finasteride, RU58841, and keto shampoo, with a focus on maintaining existing hair rather than significant regrowth.

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Learn

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learn Alopecia Areata

autoimmune disorder causing patchy hair loss

learn Caffeine

Stimulant used in hair shampoos and lotions

learn Neem Oil

Oil from the neem tree, used in traditional remedies

learn Lavender

Is lavender effective for hormonal hair loss or just stress? No study has tested lavender for stress-related or hormonal hair loss in people; the hair-growth evidence is one mouse study. Case reports link lavender products to breast growth in children, so keep them away from children.

learn PP405

Can PP405 help bald patches caused by stress? PP405 is an experimental topical gel from Pelage Pharmaceuticals that inhibits the mitochondrial pyruvate carrier; its registered Phase 2 trial (NCT06393452) tested it once daily in 78 adults with pattern hair loss, for safety and tolerability. It is not approved, not for sale, and has not been studied in alopecia areata or stress-related shedding.

learn Baricitinib

Can Baricitinib work if my hair loss is from stress or anxiety? Baricitinib is approved for severe alopecia areata in adults, an autoimmune condition. It has not been shown to work for stress-related shedding (telogen effluvium) and carries an FDA boxed warning.

Clinics

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Hair Systems
Hair Response Inc.Arlington Heights, IL · US

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