December 2023 in “Veterinary dermatology” Longer 3 mm needles were most effective for dog hair regrowth, but hair loss often returned and some dogs felt itchy.
11 citations
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January 2007 in “Veterinary dermatology” Fulvestrant at 10 mg/kg does not promote hair regrowth in dogs with alopecia X.
April 2026 in “Journal of Ethnopharmacology” 93 citations
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May 1990 in “The EMBO Journal” Mice with extra sheep genes had hair that fell out and regrew in cycles.
61 citations
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September 2010 in “Genomics” The study found that immune responses disrupt hair growth cycles, causing hair loss in alopecia areata.
14 citations
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January 2018 in “Scientific reports” Bioluminescence imaging can track hair follicle cells and help study hair regrowth.
February 2025 in “Plastic and Aesthetic Research” Minoxidil and finasteride effectively promote hair regrowth within 3 months.
192 citations
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April 2019 in “ACS nano” A new microneedle patch made from hair proteins helps regrow hair faster and better than current treatments.
20 citations
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July 2006 in “Veterinary dermatology” Melatonin helped some Pomeranian dogs regrow hair, but it wasn't linked to estrogen receptors.
7 citations
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July 2022 in “Pharmaceutics” The microneedle device with rapamycin and epigallocatechin gallate effectively promoted hair regrowth in mice.
6 citations
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August 2013 in “Joint Bone Spine” Tocilizumab treatment was associated with significant hair regrowth in one patient and temporary hair loss followed by regrowth in another.
September 2024 in “Egyptian Journal of Dermatology and Venerology” Low-energy fractional CO2 laser therapy significantly improves hair regrowth in women with female-pattern hair loss.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” A PTH-based treatment improved hair regrowth better than ruxolitinib in a mouse model of hair loss.
ISX9 helps regrow hair by activating a specific cell signaling pathway.
January 2008 in “Pratique médicale & chirurgicale de l'animal de compagnie” Alopecia X in dogs is a cosmetic issue, not a hormonal disorder, and harmful treatments should be avoided.
25 citations
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November 2015 in “Journal of Ethnopharmacology” Certain Chinese herbs, especially Cacumen platycladi, can promote hair regrowth and reduce hair loss-related hormone levels in mice.
6 citations
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August 2007 in “Journal of Surgical Research” Mice genetically modified to produce more Del1 protein had faster hair regrowth.
6 citations
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May 2011 in “Pharmacognosy Journal” Many products for hair re-growth exist, but a perfect treatment without side effects has not yet been found.
1 citations
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September 2016 in “Journal of Dermatological Science” FGF18 treatment during hair's resting phase can protect against hair loss from radiation.
9 citations
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July 2014 in “Experimental Dermatology” PTHRP agonists can stimulate hair growth, especially in damaged follicles, while antagonists may initially increase growth but ultimately inhibit it.
4 citations
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April 2016 in “Experimental Dermatology” AGA causes hair loss through follicle miniaturization and hair cycle changes; regrowth depends on anagen initiation in kenogen follicles.
4 citations
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January 1997 in “EXPERIMENTAL ANIMALS” Histamine and its enzyme may help start hair regrowth.
The PTH-CBD injection improved hair regrowth better than the daily ruxolitinib pill in mice.
May 2024 in “Tạp chí Y Dược học Cần Thơ” Natural remedies like grapefruit and rosemary may help hair regrowth.
211 citations
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April 2013 in “Development” More dermal papilla cells in hair follicles lead to larger, healthier hair, while fewer cells cause hair thinning and loss.
149 citations
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July 2014 in “Cold Spring Harbor Perspectives in Medicine” The dermal papilla is crucial for hair growth and health, and understanding it could lead to new hair loss treatments.
42 citations
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June 2019 in “Aging” 3,4,5-tri-O-caffeoylquinic acid promotes hair growth by activating the β-catenin pathway.
19 citations
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December 2018 in “Experimental and Molecular Medicine” Small molecule IM boosts hair growth by changing stem cell metabolism.
4 citations
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July 2014 in “Journal of Investigative Dermatology” Old people have less hair because their hair follicles don't regenerate as well, not because of fewer stem cells, and a protein called follistatin might help reactivate hair growth.
A new microneedle patch effectively treats hair loss by delivering growth factors to the skin.