Hypoxic preconditioning helps human hair follicle stem cells survive oxidative stress.
July 2024 in “Occupational Medicine” Higher cortisol levels are linked to poor coping, while higher DHEA levels are linked to job confidence.
Younger goats produce more cashmere and have healthier hair follicles due to better antioxidant capacity.
June 2021 in “Pakistan Journal of Medical and Health Sciences” The study found no link between hair loss, stress, and smoking among men in Lahore.
May 2021 in “Open Access Macedonian Journal of Medical Sciences” People with premature hair graying have an imbalance between harmful and protective molecules in their body, hinting that antioxidants might help.
January 2018 in “Belarusian State Pedagogical University repository (Belarusian State Pedagogical University)” Stress might trigger hair loss in alopecia areata, but more research is needed.
December 2012 in “Journal of dermatological science” Hair follicles help attract immune cells to minor skin injuries.
March 2008 in “Hair transplant forum international”
December 2025 in “Biology Bulletin Reviews” Hair cortisol can indicate animal stress but varies with many factors.
76 citations
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April 2013 in “PLoS ONE” Chronic stress can cause hair loss by increasing oxidative stress, but antioxidants may help.
59 citations
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November 2015 in “International Journal of Cosmetic Science” Oxidative stress damages hair and contributes to aging, and managing it can help maintain hair health.
2 citations
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May 2018 in “Journal of Investigative Dermatology” Mice can regrow hair on wounds due to specific cell interactions and mechanical forces not seen in rats.
Blocking the Mitochondrial Pyruvate Carrier causes stress in hair follicles, which can be reduced by an ISR inhibitor.
September 2004 in “Experimental Dermatology” Stress increases nerve growth factor, causing hair loss in mice.
January 2017 in “Durham e-Theses (Durham University)” Chemical stressors damage hair structure but the skin's outer layer protects living cells.
June 2025 in “Phytomedicine” The formula may improve hair growth and health by boosting blood flow and reducing cell stress.
November 2023 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Pig hair cortisol levels are inheritable and linked to stress responses, which could help select for more resilient pigs.
November 2022 in “Journal of Investigative Dermatology” Blocking mTORC1 activity could increase hair pigmentation and potentially reverse greying.
June 2023 in “Zenodo (CERN European Organization for Nuclear Research)”
108 citations
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July 2004 in “American Journal of Pathology” Stress increases a factor in mice that leads to hair loss, and blocking this factor may prevent it.
5 citations
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January 2021 in “PeerJ” Elephant tail-hair can show past stress levels, matching times when stressful events happened.
February 2026 in “Psychiatria” Stress and emotional suppression can cause hair loss, so addressing both mental and physical health is important.
December 2025 in “Antioxidants” Fermented Yeast Complex Extract helps regrow hair by reducing oxidative stress and inflammation.
November 2024 in “Psychoneuroendocrinology” Testosterone increases hair testosterone levels, stress raises hair cortisol, and relationship status affects hormone levels.
October 2024 in “Annals of Dermatology” Korean Red Ginseng may help protect hair from damage and promote growth.
July 2011 in “Neurotoxicology and Teratology”
Germinated hemp seed extracts help prevent hair loss and promote hair growth.
July 2022 in “Journal of Investigative Dermatology” Substance P may contribute to hair loss by increasing oxidative stress and mitochondrial activity in hair follicles.
296 citations
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October 2018 in “General and Comparative Endocrinology” Hair cortisol is a reliable way to measure long-term stress in animals.