38 citations
,
October 1988 in “Clinics in Dermatology” Hormones, nutrition, and seasonal changes regulate hair growth cycles, with androgens extending growth phases and factors like aging and malnutrition affecting hair loss and thinning.
54 citations
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January 2009 in “Development” β-catenin, Shh, and Bmp signaling control hair follicle development.
17 citations
,
February 2020 in “Cell and Tissue Banking” April 1974 in “Pediatric Research”
December 2025 in “Brazilian Journal of Hair Health” The Spiral Model helps understand hair growth changes with age and identify hair problems early.
50 citations
,
September 2012 in “Developmental Biology” Sprouty and FGF balance is crucial for normal feather shape and size.
February 2025 in “BMC Veterinary Research” Keratin proteins are crucial for hair growth in cashmere goats.
4 citations
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January 2013 in “Genetics and Molecular Research” VEGF and microvessel density are closely linked and peak during specific hair growth phases in cashmere goats.
2 citations
,
July 2005 in “International Joint Conference on Artificial Intelligence” EREG therapy may help treat hair loss by promoting hair growth.
December 2023 in “Journal of materials chemistry. B” A new nanoemulsion increases oxygen for hair cells, leading to better hair growth.
October 2024 in “Frontiers in Veterinary Science” FKBP10 and FBN2 are key proteins for hair growth in cashmere goats.
1 citations
,
May 2019 in “International Journal of Applied Pharmaceutics” Both hair tonic and gel with Angiopteris evecta extract effectively stimulate hair growth.
July 2024 in “Journal of Investigative Dermatology” Ashwagandha nanoparticles help hair grow by increasing a growth factor.
14 citations
,
July 2015 in “Journal of Cosmetic Dermatology” Sebaceous glands in male pattern hair loss patients have more lobules and might cause early hair growth phase shifts.
6 citations
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February 2013 in “Journal of Visualized Experiments” The method quickly analyzes hair growth genes and shows that blocking Smo in skin cells stops hair growth.
3 citations
,
April 2014 in “Journal of Dietary Supplements” CARI ONE helps start hair growth and makes hair follicles bigger and more numerous.
November 2025 in “Biomolecules” FGF22 helps hair follicle stem cells grow and develop.
20 citations
,
February 2016 in “American Journal of Pathology” The genes OVOL1 and OVOL2 are important for hair growth and may be involved in a type of skin tumor.
July 2016 in “Journal of Investigative Dermatology” Balding scalps show different gene expressions affecting hair growth compared to non-balding scalps.
66 citations
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August 1990 in “Journal of Investigative Dermatology” Epithelial cell growth in rat hair follicles needs contact with mesenchymal cells through the extracellular matrix.
28 citations
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March 2019 in “Journal of Dermatological Science” The document concludes that while lab results for hair growth promotion are promising, human trials are needed and better testing methods should be developed.
January 1939 in “Münchener medizinische Wochenschrift” 34 citations
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October 1998 in “PubMed” Future drugs targeting specific hair growth steps could improve treatments for hair growth issues.
23 citations
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July 1997 in “British Journal of Dermatology” The inner root sheath is vital for hair follicle stability during growth changes.
64 citations
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March 2005 in “Journal of Investigative Dermatology” Brain-Derived Neurotrophic Factor (BDNF) slows down hair growth and promotes hair follicle regression.
1 citations
,
September 2022 in “Evidence-based Complementary and Alternative Medicine” Gardenia florida fruit extract may help hair grow and needs more research to understand how.
January 2016 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” IGF-I helps hair growth by preventing cell death and boosting growth factors.
136 citations
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July 2014 in “Proceedings of the National Academy of Sciences of the United States of America” FGF5 gene mutations cause unusually long eyelashes by affecting hair growth regulation.
STAT5 and Sox18 are crucial for hair growth and wound healing.