April 2019 in “Advances in Cosmetic Surgery” The document concludes that ongoing medical therapy is crucial for preventing hair loss, and surgical options can restore hair, with future treatments for hair loss being promising.
January 2019 in “Georg Thieme Verlag eBooks” Platelet-Rich Plasma (PRP) therapy can effectively treat various hair loss conditions, improve hair count, thickness, and density, and potentially speed up results when combined with surgical techniques.
Human hair follicle cells can be turned into stem cells that may help clone hair for treating hair loss or burns.
Keratin hydrogels from human hair show promise for tissue engineering and regenerative medicine.
January 2008 in “Durham e-Theses (Durham University)” Hair follicle stem cells are similar to mesenchymal stem cells and can become neural-like cells under certain conditions.
Polarized microscopy helps identify hair irregularities in genetic disorders.
99 citations
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June 2005 in “Journal of Cosmetic Dermatology” Hair ages due to genetics and environmental factors, leading to graying and thinning, with treatments available for some conditions.
116 citations
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May 2013 in “Proceedings of the National Academy of Sciences of the United States of America” Hair grows faster in the morning and is more vulnerable to damage from radiation due to the internal clock in hair follicle cells.
256 citations
,
October 2013 in “Proceedings of the National Academy of Sciences of the United States of America” Growing human skin cells in a 3D environment can stimulate new hair growth.
75 citations
,
October 2016 in “Genes & Development” Cells in hair follicles help create fat cells in the skin by releasing a protein called Sonic Hedgehog.
38 citations
,
September 2014 in “Cell and Tissue Research” The hair follicle infundibulum plays a key role in skin health and disease, and understanding it better could lead to new skin disease treatments.
14 citations
,
April 2016 in “Cell Transplantation” Neural stem cell extract can safely promote hair growth in mice.
6 citations
,
November 2020 in “Molecular and Cellular Endocrinology” Androgens reduce BMP2, which weakens the ability of certain cells to help hair stem cells become different types of cells.
1 citations
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August 2023 in “Nature communications” Hdac1 and Hdac2 help maintain and protect the cells that control hair growth.
January 2026 in “Communications Biology” Yak hair follicles adapt to cold through specific gene regulation, enhancing cell growth.
November 2025 in “Frontiers in Cell and Developmental Biology” The study maps goat hair follicle cells, revealing key genes and pathways involved in hair growth and cell death.
October 2025 in “Frontiers in Veterinary Science” Quercetin boosts hair follicle stem cell growth and survival in cashmere goats.
January 2016 in “Research Explorer (The University of Manchester)” Activating the Eda/Edar pathway improves wound healing by enhancing hair follicle growth.
66 citations
,
August 2001 in “Experimental Dermatology” Human hair follicle cells can grow hair when put into mouse skin if they stay in contact with mouse cells.
33 citations
,
June 2017 in “Developmental Biology” Mice can correct hair follicle orientation without certain genes, but proper overall alignment needs those genes.
16 citations
,
December 2006 in “Expert Review of Dermatology” Hair follicles are essential for skin health, aiding in hair growth, wound healing, and immune function.
14 citations
,
October 2018 in “Brain Research Bulletin” Exosomes help nerve fibers grow by affecting specific cell signaling pathways.
10 citations
,
January 2016 in “PLOS ONE” Researchers found 44 proteins that change during different hair growth stages and may be important for hair follicle function.
3 citations
,
June 2006 in “Expert Review of Dermatology” The document concludes that hair loss is complex, affects many people, has limited treatments, and requires more research on its causes and psychological impact.
53 citations
,
November 2006 in “Journal of Endocrinology” Prolactin slows down hair growth in mice.
40 citations
,
January 2016 in “PLoS ONE” Shorter daylight increases hair growth in Cashmere goats.
20 citations
,
January 2015 in “Current problems in dermatology” Graying hair happens due to aging and might be delayed by new treatments.
16 citations
,
December 2019 in “Animals” Overexpressing Tβ4 in goats' hair follicles increases cashmere production and hair follicle growth.
9 citations
,
March 2019 in “Scientific reports” Temporary ROS production in cultured human hair follicles promotes growth and stem cell activation.
2 citations
,
September 2022 in “Frontiers in veterinary science” Certain long non-coding RNAs are important for the growth of hair follicles in Inner Mongolian cashmere goats.