11 citations
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May 1996 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” The main enzyme found in pubic skin that could be targeted to treat excessive hair growth is 5 alpha-R2.
April 2017 in “Journal of Investigative Dermatology” Dermal Wnt/β-catenin signaling is important for the proper size and development of hair follicles.
92 citations
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June 2005 in “Journal of Investigative Dermatology” All-trans retinoic acid causes hair loss by increasing TGF-β2 in hair follicle cells.
104 citations
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March 2014 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” DHT may increase the risk of heart disease and death in elderly men.
Fgf20 helps form hair follicle structures by stopping cell division and increasing cell movement.
29 citations
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May 1986 in “Journal of Steroid Biochemistry” Androgens don't directly affect hair cell growth or protein production.
April 2016 in “Plastic and reconstructive surgery. Global open” Tafluprost could be a potential treatment for hair loss by promoting hair growth phase changes.
27 citations
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August 2021 in “Journal of Autoimmunity” Human dermal γδT-cells respond to stress in hair follicles, contributing to hair loss.
27 citations
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November 1998 in “Journal of Endocrinological Investigation” Finasteride significantly reduces hair growth in women with idiopathic hirsutism.
14 citations
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September 2006 in “Experimental Dermatology” Interleukin‐1 α reduces androgen receptor levels and increases certain cytokines in human scalp cells.
27 citations
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May 2011 in “Journal of Investigative Dermatology” TCHHL1 is a protein important for hair growth, found in hair follicles.
21 citations
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January 2020 in “Conservation Physiology” Hair follicles increase hair cortisol levels, so consistent hair collection methods are important.
October 2004 in “DOAJ (DOAJ: Directory of Open Access Journals)” Men with hair loss don't necessarily have higher levels of the hormone DHEA-S, but this hormone tends to decrease with age.
71 citations
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May 1996 in “Journal of Investigative Dermatology” Ornithine decarboxylase is crucial for hair growth regulation in mice.
July 2024 in “Journal of Investigative Dermatology” Wnt and SHH signals together influence hair follicle cell development, offering insights for hair loss treatment.
August 2025 in “ACS Omega” New compounds show promise as nonsteroidal treatments for hair loss.
1 citations
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August 2024 in “Journal of Cosmetic and Laser Therapy” Intralesional vitamin D3 is an effective and safe treatment for patchy alopecia areata with fewer side effects.
45 citations
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August 2010 in “Hormone Molecular Biology and Clinical Investigation” Type 3 5α-reductase is more common and finasteride and dutasteride strongly inhibit it.
6 citations
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August 1996 in “The Journal of Clinical Endocrinology and Metabolism” MK-386 and finasteride together effectively reduce DHT levels, potentially treating acne and male pattern baldness.
14 citations
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September 2007 in “Steroids” The study concluded that androstendione and DHEA are important for diagnosing high male hormone levels in women with excessive hair growth.
September 2017 in “Journal of Investigative Dermatology Symposium Proceedings” Prostaglandin D2 increases testosterone production in skin cells through a process involving reactive oxygen species, which could be a new target for treating hair loss and other skin conditions driven by testosterone.
50 citations
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October 2011 in “Archives of Biochemistry and Biophysics” Vitamin D receptor is essential for healthy hair growth.
August 2021 in “Journal of The American Academy of Dermatology” Finasteride treatment changes hormone levels in male pattern baldness patients.
405 citations
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January 2004 in “Journal of Investigative Dermatology” Hair follicle size and distribution vary significantly across different body sites.
12 citations
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May 2020 in “Actas Dermo-Sifiliográficas” Dutasteride injections may be a future option for treating hair loss.
4 citations
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April 1989 in “The Journal of Dermatology” Trichohyalin granules help inner root sheath cells in hair follicles harden by integrating with keratin filaments.
January 2025 in “International Journal of Biological Macromolecules” Decorin helps hair growth by influencing specific cell signals.
8 citations
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April 2012 in “Laser Physics Letters” Antiseptic particles penetrate deeper into hair follicles than non-antiseptic ones.
1 citations
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September 2020 in “DOAJ (DOAJ: Directory of Open Access Journals)” Dihydrotestosterone (DHT) promotes the growth and spread of aggressive brain tumor cells.