32 citations
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April 2020 in “BMC Developmental Biology” This study found that ocu-miR-205 influences hair follicle density and signaling pathways in Rex rabbits by promoting dermal papilla cell apoptosis and altering hair follicle phases.
May 2025 in “International Journal of Molecular Sciences” In a mouse study, Fr2 from Platycladus orientalis L. significantly enhanced hair growth, suggesting its potential as a natural therapeutic agent for hair regeneration.
April 2025 in “Drug Design Development and Therapy” This study observed that the herbal extract WJWE promoted hair growth and protected hair follicle cells in a DHT-induced murine model of androgenetic alopecia, potentially by engaging the SIRT1/JNK/p38 MAPK and Wnt5A/β-Catenin signaling pathways.
May 2024 in “Journal of cosmetic dermatology” The study concluded that dutasteride 0.5 mg daily for 24 weeks was the most effective monotherapy for increasing hair density in men with androgenetic alopecia, compared to other interventions.
19 citations
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June 2020 in “Animals” This study found that maternal sub-maintenance nutrition reduced the density and branching ratio of secondary wool follicles in Merino sheep fetuses and identified genes potentially involved in these processes.
This study found that ocu-miR-205 affects signaling pathways, promoting the apoptosis of dermal papilla cells and influencing hair follicle density in Rex rabbits.
This study found that ocu-miR-205 promotes apoptosis in dermal papilla cells, alters hair follicle signaling pathways, and affects hair density in Rex rabbits.
October 2023 in “Oncotarget” In this study using live mice, researchers observed that during hair follicle regression, apoptosis in basal cells may propagate by triggering neighboring cells, potentially regulated by a gradient of pro-survival signals from stem cells, and proposed a testable mechanism to further explore this process.
January 2026 in “Cosmetics” This study reported that Cacumen Platycladi extract significantly reduced hair loss and increased hair density in a 12-week clinical trial, suggesting it may be a safe and effective natural treatment.
October 2024 in “Journal of Advanced Pharmaceutical Technology amp Research” This study found that nanoparticulate trigonelline formulations significantly improved hair length and density in rats with induced alopecia compared to controls and commercial hair oil, though it was not more effective than minoxidil after 30 days.
March 2015 in “Daehan boncho haghoeji/Daehan bonchohak hoeji” This study found that HET extract increased dorsal hair density and VEGF protein expression in a hair growth animal model suggesting its potential efficacy for alopecia treatment.
February 2026 in “International Journal of Nanomedicine” This study demonstrated that engineered exosomes carrying EGF and FGF restored hair density and follicle integrity in an androgenetic alopecia mouse model by reactivating hair follicle growth factors, offering a novel therapeutic approach without immunogenic reactions or systemic toxicity.
287 citations
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March 1999 in “The Plant Journal” This study found that disrupting the microtubule cytoskeleton in Arabidopsis root hairs caused loss of growth directionality and suggested microtubules interact with calcium gradients to regulate apical growth stability.
12 citations
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April 2022 in “Frontiers in Cell and Developmental Biology” This study found that stabilizing β-catenin in a specific mouse model led to temporarily increased hair density but ultimately accelerated hair follicle aging and hair thinning.
February 2026 in “Journal of Cosmetic Dermatology” This study found that microneedling, alone or combined with drugs, was effective in reducing hair loss severity and increasing hair density in male androgenetic alopecia patients, with the combination therapy showing more significant results for moderate to severe cases.
May 2025 in “Indian Journal of Pharmacology” In this study, researchers reported that standardized rosemary and capsicum extracts significantly improved hair growth parameters such as follicle density, length, and diameter in rats with testosterone-induced alopecia, suggesting these extracts may aid in more effective natural treatments for androgenetic alopecia.
August 2024 in “Nutrients” This study found that a combination of probiotic strains of Lactiplantibacillus administered over 16 weeks reduced the number and density of telogen hairs in individuals with androgenic alopecia, while increasing the abundance of Lactobacillus in their gut microbiota.
8 citations
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January 2007 in “International Society of Hair Restoration Surgery” This article discusses the concept of using a centralized forelock presented by Manny Marritt nearly 14 years ago, and reports no new clinical results.
479 citations
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January 2005 in “BioEssays” This review introduces the morphological and molecular principles of hair follicle development but reports no new experimental results, focusing on recent insights and forming a working hypothesis.
131 citations
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January 2018 in “Scientific Reports” In this study, mycorrhizal fungal inoculation was associated with increased root-hair growth and enhanced drought tolerance in trifoliate orange by modulating auxin synthesis and transport under water stress conditions.
61 citations
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May 2014 in “International journal of pharmaceutics” This research describes a process for producing caffeine nanocrystals, which may enhance skin penetration by accumulating in hair follicles and maintaining stability for two months, paving the way for in vivo testing.
28 citations
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January 2022 in “PLoS ONE” This study reports that a sarcoptic mange outbreak, likely originating from mange-infected llamas from a governmental program, dramatically reduced vicuña and guanaco populations in San Guillermo National Park, Argentina.
5 citations
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April 2018 in “Chem” This study introduced a novel graphene-based hair dye that is non-reactive, non-invasive, and eliminates toxic chemicals, while providing durable color, antistatic properties, and efficient heat dissipation, even after 30 washes.
2 citations
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February 2025 in “PLoS ONE” This study used TMT-based quantitative proteomics to analyze the development of secondary hair follicles in fetal sheep, revealing increased follicle density and key proteins involved, such as COL1A1 and THBS4, indicating their potential role in wool quality traits.
In this network meta-analysis, the researchers reported that topical minoxidil 5% was the most effective off-label therapy for increasing hair density in men with androgenetic alopecia, while other treatments like melatonin and cetirizine showed potential benefits, highlighting a need for further comparative trials.
May 2026 in “Frontiers in Pharmacology” In this study, DOP treatment improved hair regrowth in androgenetic alopecia by altering local steroid metabolism and follicular morphology.
February 2024 in “ACS Omega” This study found that the topical Shen Bai hair growing decoction may improve androgenetic alopecia in mice by suppressing TNF-α and IL-6 levels, enhancing follicle density, and reducing apoptosis.
November 2023 in “Biomolecules” In this study involving genetically modified rats, researchers observed that specific mutations in the vitamin D receptor affect calcium levels and bone formation, emphasizing the receptor's role in maintaining healthy bone density and its importance in regulating hair cycle and skin health.
January 2023 in “Journal of applied animal research” This study found that short-day photoperiod treatment in Shanbei white cashmere goats enhanced cashmere growth, increased secondary follicle density, and altered hormone levels and gene expression related to hair follicle development.
This study found that ocu-miR-205 promotes the apoptosis of dermal papilla cells and the transformation of hair follicles from growth to regression and resting phases in Rex rabbits.