2 citations
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May 2021 in “Scientific Reports” In this study, researchers found that stress likely triggers symmetrical alopecia in Formosan macaques in Mt. Longevity, Taiwan, with higher stress hormone levels associated with the condition.
18 citations
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January 2007 in “Pharmaceutical Biology” This study found that petroleum ether extracts of Citrullus colocynthis reduced hair growth initiation time and advanced more hair follicles to the anagen phase in albino rats compared to untreated controls and minoxidil.
June 2026 in “Research Square” This study evaluated an herbal emulgel formulation containing extracts from Wedelia chinensis and Cassytha filiformis for hair growth promotion in rats, finding that the combined formulation significantly increased hair growth compared to both individual extracts and the control group.
7 citations
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May 2020 in “Trends in molecular medicine” This study explored the immune environment of the hair follicle's bulge region and suggested that its unique signaling may prevent melanoma formation by lacking necessary proinflammatory signals for full oncogenic transformation, indicating potential strategies for melanoma prevention by replicating this immune-privileged environment.
2 citations
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July 2024 in “Frontiers in Veterinary Science” In this study, researchers using a multi-omics approach identified specific proteins involved in the hair follicle cycle of Inner Mongolia Cashmere Goats, finding that API5 affects apoptosis, while ribosomal proteins are highly expressed during the resting stage, providing insights into hair follicle growth and apoptosis.
November 2023 in “International Journal of Cosmetic Science” This study found that a wheat polar lipid complex supplement significantly reduced hair loss and improved hair growth and volume in women experiencing acute hair shedding, including postmenopausal women.
August 2025 in “International Journal of Molecular Sciences” This study found that sulforaphane-rich broccoli sprout extract significantly accelerated hair regrowth in a mouse model of androgenetic alopecia, suggesting its potential as a safe and effective natural therapy.
5 citations
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January 1961 in “PubMed” This study found that the lipid composition of the epidermis varies significantly throughout the hair growth cycle and after applying methylcholanthrene, with notable differences observed between hyperplastic and carcinomatous conditions.
14 citations
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May 2020 in “Archiv für Tierzucht” This study found that genes such as FGF5, FGFR1, and RRAS may impact the growth cycle of secondary hair follicles in Inner Mongolian Cashmere goats.
May 2009 in “Hair transplant forum international” This review discusses Dr. Gill Westgate's background in hair growth regulation and industry experience, but reports no new findings or results.
This study found that platelet-derived extracellular vesicles from apheresis platelets may effectively activate dermal papilla cells and promote hair follicle growth in a mouse model of hair regeneration.
July 2024 in “Chemical Engineering Journal” A new microneedle system with minoxidil nanoparticles effectively promotes hair regrowth with fewer side effects.
May 2024 in “Cell proliferation” This study found that melatonin supplementation significantly promoted hair regeneration in a hair depilation mouse model by up-regulating the Wnt/β-catenin signaling pathway in dermal papillae and hair follicle stem cells, suggesting potential implications for human hair loss treatments.
January 2024 in “Cosmetics” In this in-vitro study on human hair follicle cultures, researchers reported that the HAIR & SCALP COMPLEX significantly enhanced hair bulb growth and dermal papilla regeneration compared to other treatments, suggesting a potential new approach for managing hair loss and promoting growth.
129 citations
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October 2017 in “BMC Genomics” This study identified potential ceRNA regulatory networks in cashmere goat hair follicle cycling, expanding understanding of lncRNA and miRNA biology and annotation of the goat genome.
61 citations
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April 2013 in “PloS one” This study identified numerous genes that change expression across the anagen, catagen, and telogen stages of cashmere goat hair follicle development, highlighting key signaling pathways involved.
45 citations
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April 2001 in “The journal of investigative dermatology/Journal of investigative dermatology” This study suggests that Myc superfamily transcription factors may have distinct roles in different epithelial compartments of the human hair follicle, possibly influencing cell fate in the putative stem cell compartment.
7 citations
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July 2022 in “Pharmaceuticals” This study reports that pumpkin seed oil-loaded niosomes significantly decreased hair loss and increased hair growth indicators in vivo, suggesting potential as a natural anti-hair loss therapy.
1 citations
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February 2022 in “Clinical, Cosmetic and Investigational Dermatology” In this study, researchers found that the thyroxine receptor agonist TDM10842 accelerated the onset of anagen, a hair growth phase, in C3H mice, potentially through activation of the Wnt/beta-catenin and Hedgehog pathways, with Pclaf playing a key role in this process.
11 citations
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January 2015 in “PubMed” This study found that the 2,940 nm erbium: YAG laser may promote hair growth in C57BL/6 mice by speeding up transitions in the hair cycle and increasing hair follicle numbers.
6 citations
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December 2019 in “BMC Complementary and Alternative Medicine” This study found that the alcohol extract of Vernonia anthelmintica may counteract stress-induced hair follicle growth inhibition in mice, potentially offering a new approach for treating stress-related hair loss.
February 2025 in “BMC Veterinary Research” This study examined proteomic changes in Inner Mongolia cashmere goat skin, finding 631 proteins differentially regulated during hair growth stages; key keratin proteins, crucial for hair follicle development, were localized in secondary hair follicles.
January 2025 in “BMC Genomics” In this study, researchers identified thousands of mRNA, lncRNA, circRNA, and miRNA transcripts involved in different hair follicle stages of Rex rabbits and highlighted significant gene expression changes and pathway enrichments, providing insights into the regulatory mechanisms of hair development in these animals.
450 citations
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January 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” This article reviews follicular melanogenesis, detailing how melanin synthesis and its regulation in hair follicles depend on a complex interplay of cellular and molecular mechanisms, but reports no new clinical findings.
23 citations
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January 2018 in “BMC genomics” This study found that vimentin expression in the hair follicles of Inner Mongolian Cashmere goats is highest during the growth stage and localized to the outer root sheath, suggesting a role in hair cycle regulation.
8 citations
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June 2023 in “Acta Biochimica et Biophysica Sinica” In this study, a subcutaneous injection of recombinant RSPO1 was found to activate hair follicle stem cells and enhance hair regeneration in mice by stimulating the Wnt/β-catenin signaling pathway, suggesting its potential as a treatment for hair loss.
7 citations
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July 2022 in “Pharmaceutics” This study found that a dissolvable microneedle device delivering rapamycin and epigallocatechin gallate nanoparticles significantly enhanced hair regrowth in C57BL/6 mice within 7 days, demonstrating increased hair shaft growth and follicle density with minimal inflammation compared to untreated mice.
4 citations
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May 2022 in “International journal of molecular sciences” This study found that heat-killed Enterococcus faecalis EF-2001 promoted hair regrowth in mice, likely by increasing the expression of growth factors and marker genes.
January 2026 in “Industrial Crops and Products” In this study, oral administration of ginsenoside Rf from Panax ginseng promoted hair regrowth and increased hair thickness in a mouse model of androgenetic alopecia by enhancing androgen receptor degradation, highlighting its potential for cosmetic and functional food applications.
In this study, researchers used two dermal papilla spheroid models to investigate hair cycle regression mechanisms and found that the vascular system enhances tissue physiology and gene modulation, while Retinol-based treatments can partially recover tissue degeneration observed over an extended culture period.