February 2026 in “JOURNAL OF CLINICAL AND DIAGNOSTIC RESEARCH” Trichoscopy effectively detects early hair follicle changes before visible baldness in men under 40.
November 2025 in “PROGRESS IN BIOCHEMISTRY AND BIOPHYSICS” Taurine may help reduce hair loss by improving hair growth cycles.
June 2026 in “Expert Opinion on Pharmacotherapy” New treatments for hair loss focus on targeting specific causes to improve effectiveness and safety.
34 citations
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December 1991 in “Annals of the New York Academy of Sciences” The conclusion is that small hair follicles cause baldness in macaques, and treatments like antiandrogens and minoxidil can prevent hair loss and promote regrowth.
February 2025 in “Folia Medica” Low vitamin D levels may be linked to early hair loss in males.
August 2024 in “Stem Cell Research & Therapy” New regenerative therapies show promise for treating hair loss.
April 2018 in “Journal of Investigative Dermatology” Older hair follicle stem cells have a reduced ability to renew themselves, leading to more hair loss.
1 citations
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January 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” Dicer is crucial for hair growth in mice.
June 2024 in “The Journal of Nutritional Biochemistry” 1,25-(OH)2D3 helps hair grow by blocking certain harmful signals.
52 citations
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April 2004 in “Journal of The American Academy of Dermatology” Male pattern baldness involves three mechanisms and finasteride can help reverse it.
November 2025 in “Food Science & Nutrition” Apigenin may effectively promote hair growth for androgenetic alopecia when applied topically.
10 citations
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May 2020 in “Frontiers in cell and developmental biology” MicroRNAs are important for hair growth regulation, with Dicer being crucial and Tarbp2 less significant.
June 2018 in “British Journal of Dermatology” Hair cells lose their nucleus and mitochondria in a specific order as they fill with keratin, which could help develop treatments for hair issues.
April 2017 in “Plastic and reconstructive surgery. Global open” Baby and adult skin cells are different, with baby cells having more active pathways that could help grow new hair follicles.
23 citations
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June 1976 in “PubMed” Crash dieting can cause temporary hair loss due to not getting enough energy for hair growth.
9 citations
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February 2018 in “Journal of The American Academy of Dermatology” Researchers developed a new method using methylene blue staining to more accurately identify the growth stage of human hair follicles.
3 citations
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January 1994 in “Journal of Society of Cosmetic Chemists of Japan” Hair grows slower and thinner with age, but a test tonic improved growth in alopecia subjects.
January 2025 in “MEDS Public Health and Preventive Medicine” Spermidine supplements can help extend the hair growth phase and may be useful for treating hair loss.
October 2021 in “Research Square (Research Square)” Hair follicle stem cells in hairpoor mice are disrupted, causing hair loss.
10 citations
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August 2020 in “Acta histochemica” All-trans-retinoic acid stops mink hair growth by affecting cell growth and causing cell death.
January 2026 in “Biomedicines” Dysregulated lipid metabolism may play a role in male pattern baldness.
July 2020 in “Experimental Dermatology” Aging causes hair thinning in women due to changes in the scalp environment.
39 citations
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March 2009 in “Archives of Dermatological Research” Apigenin may help promote hair growth and could treat hair loss.
June 2025 in “Journal of Photochemistry and Photobiology B Biology” UVA exposure worsens hair loss by activating a specific cell pathway.
72 citations
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July 2012 in “Journal of Investigative Dermatology” Mice lacking a key DNA methylation enzyme in skin cells have a lower chance of activating stem cells necessary for hair growth, leading to progressive hair loss.
Metabolic processes and key genes like FGF5, FGFR1, and RRAS significantly affect hair follicle growth in Inner Mongolian Cashmere goats.
86 citations
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August 2000 in “Pigment cell research” Melanocyte activity in hair follicles is linked to the hair growth cycle, being active in growth phases and inactive in rest phases.
5 citations
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September 2012 in “The Journal of Urology” Early hair loss may indicate future prostate issues.
416 citations
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September 1997 in “Journal of Investigative Dermatology” People with hair loss have more androgen receptors and enzymes in certain follicles, with men and women showing different patterns.
February 1994 in “PubMed” Telogen effluvium is a type of temporary hair loss.