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175 citations
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August 1997 in “Nature Genetics”
January 2006 in “Advances in developmental biology” The Hairless gene is crucial for healthy skin and hair growth.
27 citations
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November 2000 in “Journal of Veterinary Medicine Series B” Iodine deficiency in lambs causes poor growth, less wool, and delayed sexual maturity.
12 citations
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April 2019 in “Scientific Reports” A protein called HMGB1 helps hair grow by affecting prostaglandin metabolism.
8 citations
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December 2016 in “Hormone Research in Paediatrics” Tunisian children with hereditary vitamin D-resistant rickets showed improvement with calcium treatment, and new genetic mutations were identified.
May 2021 in “Journal of the Endocrine Society” A woman developed male characteristics after using unregulated hormone therapy.
DHT, not testosterone, mainly affects hair growth and related conditions.
29 citations
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January 2021 in “Journal of Investigative Dermatology” Fat under the skin releases HGF which helps hair grow and gain color.
15 citations
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January 2015 in “Skin Pharmacology and Physiology” Parathyroid hormones are important for hair growth, but their use in treating hair loss from chemotherapy is still uncertain.
31 citations
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February 1983 in “American Journal of Clinical Nutrition” Biotin deficiency can cause hair loss in adults on long-term TPN, but supplementation helps regrow hair.
46 citations
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December 2010 in “PubMed” Tocotrienol supplements significantly increased hair growth in people with hair loss.
7 citations
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December 2006 Tribulus terrestris extract significantly increases MSH expression and melanin production in mouse hair follicles.
2 citations
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January 1984 in “Progress in neuro-psychopharmacology & biological psychiatry” Benzodiazepines changed hormone levels but did not affect hair growth in women with idiopathic hirsutism.
12 citations
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October 2019 in “Experimental Dermatology” Boehmite promotes hair growth by stimulating key cells and pathways.
December 2025 in “Journal of Integrated Standardized Homoeopathy” A woman with hypothyroidism stopped taking levothyroxine after successful homeopathic treatment.
September 1989 in “Neuroscience letters” People need different amounts of biotin based on age, and not getting enough can cause health problems.
50 citations
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February 2013 in “Annals of Clinical Biochemistry” Understanding how DHT works is important for diagnosing and treating hormone-related disorders.
1 citations
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September 2002 in “European Journal of Endocrinology” Triple H syndrome exists and can vary in symptoms.
3 citations
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August 2013 in “Maǧallaẗ ǧāmiʻaẗ al-anbār li-l-ʻulūm al-ṣirfaẗ” Thyroid and reproductive hormones, BMI, and excess hair are linked in Iraqi women with PCOS.
82 citations
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February 1989 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” A three-month treatment with a GnRH agonist significantly lowered androgen levels and 5α-reductase activity in men with benign prostatic hyperplasia.
January 2024 in “JCEM case reports” This is the first known case of parathyroid cancer in a patient with Birt Hogg Dube Syndrome.
April 2023 in “Journal of Investigative Dermatology” Trichohyalin in hair can trigger immune attacks in alopecia areata.
1 citations
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September 1998 in “Journal of Advancement in Medicine” Thiamin deficiency might cause hair loss and mental health issues.
88 citations
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August 2019 in “Nature communications” Researchers found a specific immune receptor in patients that causes severe skin reactions to a drug.
32 citations
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February 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” Two specific hair keratin genes are active during hair growth and decline as hair transitions to rest.
April 2017 in “Journal of Investigative Dermatology” HPH-15, a new compound, effectively reduces skin fibrosis in experiments without causing harm.
10 citations
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February 2008 in “Photochemistry and photobiology” Vitamin D receptor can control the hairless gene linked to hair loss even without vitamin D.
2 citations
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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.
78 citations
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November 2005 in “Endocrinology” Hairless protein can block vitamin D activation in skin cells.