25 citations
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December 1973 in “Biochemical Journal” Guinea-pig hair and follicle proteins are mostly similar, but follicles have more group 2 proteins and fewer group 3 and 4 proteins.
September 2025 in “Science Advances” PADI4 enzyme slows down cell growth in developing hair follicles.
April 2019 in “Journal of Investigative Dermatology” Maca root extract protects hair follicles and promotes hair growth.
141 citations
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November 2005 in “International journal of pharmaceutics” Hair follicles may soon be used more for targeted and systemic drug delivery.
91 citations
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May 2003 in “American Journal of Pathology” Prolactin affects hair growth cycles and can cause early hair follicle regression.
September 2019 in “Journal of Investigative Dermatology” EGFR and MEK inhibitors reduce PD-L1 in hair follicles, possibly causing inflammation.
28 citations
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July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology”
3 citations
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August 2013 in “Stem cells” Certain inhibitors applied to the skin can promote hair growth by maintaining a key hair growth signal.
FGF9 helps hair follicles grow in small-tailed Han sheep by affecting cell growth and certain signaling pathways.
39 citations
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April 2012 in “Journal of controlled release” New method uses hair follicles to deliver drugs deep into the skin.
October 2021 in “Journal of Investigative Dermatology” DPP4, a molecule in skin, helps heal large wounds and regrow hair follicles when its levels are reduced.
November 2022 in “JAAD case reports” A man with skin and hair symptoms improved partially with specific treatment.
November 2016 in “The Molecular Biology Society of Japan” 2 citations
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October 2021 in “Experimental Cell Research” Injectable platelet-rich fibrin helps hair growth by boosting key cell functions.
38 citations
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March 1997 in “Journal of interferon & cytokine research” IL-1β inhibits human hair follicle growth.
11 citations
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July 2004 in “Journal of Investigative Dermatology” Certain tyrosine kinases may regulate hair growth and could help develop hair loss treatments.
April 2016 in “Journal of Investigative Dermatology” Blocking Oncostatin M's role in the JAK-STAT pathway can stimulate hair growth in mice.
17 citations
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August 2007 in “Bioorganic & Medicinal Chemistry Letters” A compound made by Pfizer can potentially stimulate hair growth and reduce oil production, making it a good candidate for topical use.
2 citations
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November 2023 in “Bioactive materials” New method improves copper peptide delivery for hair growth three times better than current options.
February 2026 in “Chemical Engineering Journal” PCA hydrogel promotes hair growth by enhancing blood vessel formation and hair follicle stem cell activity.
March 2019 in “Nasza Dermatologia Online” A rare scalp condition with hair loss was correctly diagnosed and treated, leading to hair regrowth.
8 citations
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January 2017 in “Stem Cells International” A protein called sFRP4 from skin cells stops the development of pigment-producing cells in hair.
3 citations
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January 2025 in “International Journal of Biological Macromolecules” A new microneedle patch effectively promotes hair regrowth with less frequent dosing.
37 citations
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November 2019 in “Journal of Microbiology and Biotechnology” Loliolide can boost hair growth by activating specific cell pathways.
IP-PA1 helps grow hair in mice and affects human cell growth-related genes differently than traditional hair growth treatments.
4 citations
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September 2003 in “Livestock Production Science” Epidermal growth factor reduces hair growth, but cortisol does not.
January 2022 in “SSRN Electronic Journal” LncRNA RP11-818024.3 helps hair growth and recovery in hair loss by boosting cell survival and reducing cell death.
May 2012 in “F1000Research” Proteins released by cells can promote hair growth in people.
56 citations
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December 1990 in “Differentiation” Growth factors can either promote or inhibit hair follicle cell growth and collagen breakdown.
April 2016 in “Plastic and reconstructive surgery. Global open” Tafluprost could be a potential treatment for hair loss by promoting hair growth phase changes.