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April 1990 in “The Journal of Clinical Endocrinology & Metabolism” The ovary mainly causes high testosterone in PCO, while the adrenal gland is the main source in IH.
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December 1991 in “Annals of the New York Academy of Sciences” Differences in enzyme activity and androgen receptors in hair follicles may explain why hair loss appears differently in men and women.
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February 2022 in “Clinical, Cosmetic and Investigational Dermatology” TDM10842, a thyroid hormone receptor activator, was found to effectively promote hair growth in mice.
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June 2021 in “Singapore Medical Journal” Dutasteride and finasteride can help increase hair growth gene expression but need further improvement.
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December 2015 in “International Journal of Clinical Pharmacology and Therapeutics” The 0.25% finasteride solution, when applied once a day, effectively reduces scalp DHT, potentially minimizing sexual side-effects linked to a systemic DHT reduction.
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May 1986 in “Seminars in Reproductive Medicine” Testosterone and dihydrotestosterone affect hair growth, and new techniques like the folliculogram help study it, but fully understanding hair growth is still complex.
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January 2006 in “PubMed” DHT deficiency may disrupt rat epididymis function by affecting estrogen receptors.
April 2023 in “Journal of Investigative Dermatology” Muscle around hair follicles controls hair loss by releasing a signal that causes cell death.
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June 2009 in “Clinical and Experimental Dermatology” Topical tacrolimus reduces certain growth factors in hair follicles.
April 2017 in “Journal of Investigative Dermatology” Scientists created a tiny, 3D model of a hair follicle that grows and acts like a real one.
September 2017 in “Journal of Investigative Dermatology” Stabilizing HIF-1A in hair follicles may reduce oxidative stress and promote hair growth by increasing glycolysis.
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March 2012 in “Journal of Investigative Dermatology” Some thymic peptides can increase human hair growth, while others may inhibit it.
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May 1982 in “Biochemical Pharmacology” These drugs cause hair growth without affecting testosterone or adrenal hormones.
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October 2023 in “Scientific reports” Dexamethasone affects hair growth by altering levels of proteins that either promote or inhibit hair follicle growth.
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December 2003 in “Journal of Investigative Dermatology” DS cells in hair follicles can help form and restore hair, especially in hair loss conditions.
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April 2026 in “Frontiers in Medicine” Farudodstat may help prevent hair loss in alopecia areata by stopping immune attacks on hair follicles.
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October 1994 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride reduces hair growth and is safe for women with excessive hair.
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November 2022 in “Journal of Investigative Dermatology” The medicine Cyclosporin A might cause excessive hair growth by reducing a protein that controls hair growth.
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December 2012 in “The Journal of Steroid Biochemistry and Molecular Biology” Dexamethasone may cause hair loss by stopping cell growth.
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September 2004 in “Fertility and Sterility” Intermittent low-dose finasteride works as well as daily use for treating excessive hair growth in women.