3 citations
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April 2010 in “The American Journal of Dermatopathology” Most people with scarring and nonscarring hair loss show similar D2-40 levels, but some with scarring hair loss have higher levels.
19 citations
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September 2016 in “Journal of the European Academy of Dermatology and Venereology” Trichofolliculoma is a unique benign tumor mainly affecting middle-aged adults' faces, often misdiagnosed without histopathology.
October 2025 in “Research Square (Research Square)” Enhancing blood vessel interactions with hair cells may help treat hair loss and skin aging.
September 1976 in “PubMed” Hirsutism is excessive male-pattern hair growth mainly caused by ovarian hormones, and severe cases may require costly treatment with side effects.
69 citations
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August 1988 in “Journal of Investigative Dermatology”
April 2026 in “Brazilian Journal of Hair Health” Perifollicular fibrosis hinders hair regrowth in androgenetic alopecia, and new treatments targeting fibrosis are needed.
January 2002 in “HAL (Le Centre pour la Communication Scientifique Directe)” The enzyme system in hair follicles is similar to the liver's and is inhibited by certain substances.
3 citations
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February 2019 in “Journal of Cosmetic Dermatology” The effects of estrogen on human scalp hair growth are unclear and need more research.
April 2017 in “Journal of Investigative Dermatology” The hair follicle dermal sheath is essential for hair shedding and needs to communicate with the outer root sheath for normal hair growth cycles.
65 citations
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May 2006 in “Journal of Investigative Dermatology” Dexamethasone may influence hair growth by altering estrogen receptor activity in hair cells.
June 2020 in “Journal of Investigative Dermatology” Scientists successfully grew mini hair follicles using human skin cells, which could help treat baldness.
January 2010 in “Life Science Alliance” Vitamin D receptor is essential for preventing hair loss by regulating hair cycle stages.
81 citations
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January 2003 in “The FASEB Journal” Follistatin helps hair growth and cycling, while activin prevents it.
52 citations
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March 1987 in “Journal of the American Academy of Dermatology” High DHEA-S levels may cause hair loss in young men.
50 citations
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July 1996 in “Fertility and Sterility” Finasteride effectively treats hirsutism in women, but more research needed for long-term results.
April 2023 in “Journal of Investigative Dermatology” Exosomes from certain stem cells can fight hair loss by promoting hair growth and maintaining the growth phase of hair.
7 citations
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July 1995 in “PubMed” Finasteride, a drug that changes testosterone to a different hormone, was studied and its effects over time were modeled successfully.
32 citations
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September 1996 in “Archives of Dermatological Research” 6 citations
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September 1996 in “Archives of Dermatological Research” 1 citations
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July 2025 in “Biomaterials Advances” 3D cultures respond better to minoxidil, while 2D cultures respond better to DHT.
14 citations
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June 2011 in “Journal of Dermatological Science” TSH influences keratin expression in human hair follicles.
April 2016 in “Journal of The American Academy of Dermatology” Dutasteride works better than finasteride for hair growth with similar side effects.
19 citations
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November 2012 in “British Journal of Dermatology” Dopamine stops hair growth and pigment production in human scalp hair follicles.
32 citations
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July 2012 in “Stem Cells Translational Medicine” Vitamin D3 can help improve hair growth by enhancing the function of specific skin cells and could be useful in hair regeneration treatments.
46 citations
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November 2007 in “Gene Expression Patterns” Trps1 plays a key role in hair follicle development and cycling.
16 citations
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October 2007 in “Andrologia” DHT is a strong androgen that may pose less risk to the prostate compared to testosterone.
16 citations
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August 1989 in “Human Reproduction” Hirsutism in females is caused by high male hormones or sensitive hair follicles.
September 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” Angiopoietin-1 helps hair follicle cells survive and grow, potentially treating hair loss.
3 citations
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April 1997 in “Developmental Dynamics” Trypsin slows hair growth and affects color by causing cell death in hair follicles.
2 citations
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January 2023 in “Scientific Reports” HIF-1α is important for hair growth and could be a treatment target for hair loss.