11 citations
,
June 1979 in “British Journal of Dermatology” The enzyme system in hair follicles is similar to the liver's and is affected by certain inhibitors.
May 2016 in “Endocrine Abstracts” Proximal hair cortisol is a reliable tool for diagnosing Cushing's Syndrome.
Hair cortisol content can indicate cortisol exposure and varies with age, puberty, and BMI in youth.
December 2025 in “Biology Bulletin Reviews” Hair cortisol can indicate animal stress but varies with many factors.
296 citations
,
October 2018 in “General and Comparative Endocrinology” Hair cortisol is a reliable way to measure long-term stress in animals.
April 2019 in “Journal of the Endocrine Society” A rare adrenal tumor in a woman only made DHEA-S, causing hair thinning, and was removed, fixing the hormone level.
2 citations
,
January 1975 in “Archives of Dermatological Research” Certain enzymes react strongly with some hormones in rat skin during hair growth, mainly in sebaceous glands and hair sheaths.
48 citations
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August 1981 in “American Journal of Veterinary Research” Glucocorticoid use in dogs quickly causes liver changes and Cushing's syndrome symptoms.
April 2025 in “Journal of the Faculty of Medicine Baghdad” Alopecia areata patients may have higher T3 and cortisol levels, suggesting a hormonal link.
32 citations
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January 2017 in “Physiology & Behavior” New hair growth corticosterone levels are higher in diabetic mice, indicating long-term stress.
February 2026 in “Psychoneuroendocrinology” Hair cortisol concentration partly reflects HPA axis regulation but doesn't capture all its complexities.
25 citations
,
June 2017 in “Scientific reports” Stress worsens Tourette symptoms by increasing allopregnanolone levels.
16 citations
,
March 2008 in “International journal of pharmaceutics” Different factors like pH, gel type, and chemical enhancers affect how well hydrocortisone gets into hair follicles, and less hydrated skin doesn't work well with the test method.
January 1953 in “The Lancet” Cortisone may help hair regrow by altering the local environment, with regrowth starting 3-4 weeks after treatment, but its use is not widely recommended.
1 citations
,
May 2016 in “The Veterinary Journal” Glucocorticoids affect dogs' skin reactions to histamine, which vary by time of day.
56 citations
,
December 2002 in “The Journal of Clinical Endocrinology & Metabolism” Human bone cells mainly produce a type 1 enzyme that may help regulate bone health.
Blocking 5α-reductase can reduce sleep deprivation-related behavioral issues in rats.
6 citations
,
August 1975 in “Journal of Endocrinology” Cortisol and corticosterone thin mouse skin and regress hair follicles, while testosterone promotes skin and hair development.
13 citations
,
November 2005 in “Epilepsia” Deoxycorticosterone and its metabolites help prevent seizures by interacting with specific receptors.
22 citations
,
April 1972 in “Journal of Steroid Biochemistry” Beard hair follicles convert testosterone to 5α-dihydrotestosterone most intensively.
22 citations
,
June 2002 in “Journal of Medicinal Chemistry” Compounds 15, 20, and 25 are strong inhibitors of human steroid 5α-reductase type 2.
179 citations
,
May 1982 in “The Journal of clinical investigation/The journal of clinical investigation” High levels of 3 alpha-diol glucuronide in the blood are a marker of increased androgen action in women with excessive hair growth of unknown cause.
3 citations
,
January 2024 in “Frontiers in Endocrinology” Androgens can affect glucocorticoid signaling in specific mouse brain areas.
186 citations
,
December 2011 in “Molecules” Three specific 4-azasteroid-2-oximes showed strong enzyme inhibition, but less than finasteride.
9 citations
,
January 2005 in “Experimental Dermatology” Human hair follicles can produce stress hormones like the body's main stress response system.
1 citations
,
June 2024 in “Rehabilitation Medicine” Higher cortisol and cortisone levels in hair may predict mood disorders after a stroke.
57 citations
,
May 1986 in “Clinics in endocrinology and metabolism” Androstanediol glucuronide is a reliable marker for hirsutism in women.
June 2020 in “Annals of the Rheumatic Diseases” Patients need better information about the risks of long-term steroid use.
61 citations
,
January 2008 in “Biological & Pharmaceutical Bulletin” Finasteride almost fully depletes allopregnanolone in rat brains and enhances 20α-DHP, but doesn't change 3α-DHP levels.
49 citations
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November 2013 in “JAMA dermatology” Clobetasol propionate, 0.05%, is more effective and safe for treating childhood alopecia areata than hydrocortisone, 1%.