This study found that women with genetic hair loss experienced significant improvements in hair density, count, and thickness when treated with both Rehmannia root extract and microneedling therapy, with the combination showing the greatest benefits compared to each treatment alone.
This study found that Ashwagandha root extract significantly improved skin and hair quality in healthy adults with hair loss or skin conditions over 75 days compared to placebo.
1 citations
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January 2013 in “China Animal Husbandry & Veterinary Medicine” This study found a strong positive correlation between vascular endothelial growth factor expression and microvessel density in the hair follicles of Liaoning cashmere goats during different fetal periods.
1 citations
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November 2023 in “Journal of Ayurveda and Integrative Medicine” In this study, a topical Ashwagandha serum significantly improved hair growth, density, thickness, and quality of life in adults with mild to moderate hair loss compared to a placebo, demonstrating potential as an effective and safer alternative treatment for alopecia.
6 citations
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January 2010 in “PubMed” This study found that psoriasis patients with scalp involvement had a significantly lower anagen ratio and higher telogen ratio compared to healthy individuals, indicating an association with an increased telogen/anagen ratio.
October 2024 in “Bangladesh Journal of Botany” This study found that cinnamic acid stress inhibited root growth more in cucumber seedlings than in figleaf gourd, potentially due to differences in hormone content and production rates.
4 citations
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May 2014 in “Daehan hanbang so'a'gwa haghoeji/Daehan hanbang soagwa hakoeji” In this study, Ganoderma lucidum extract combined with microneedle therapy promoted hair growth more effectively than microneedle therapy alone in a mouse model of alopecia.
23 citations
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April 1999 in “Dermatologic Clinics” This study found that the Epilight multiple wavelength pulsed-intense light source was effective for long-lasting hair removal, particularly in individuals with dark hair and light skin.
November 2025 in “Frontiers in Pharmacology” This mini-review examines ethnopharmacological approaches to manage hair loss in postmenopausal women, highlighting promising botanical remedies like saw palmetto, rosemary oil, and ginseng. The authors underscore a need for more interdisciplinary trials and focus on traditional remedies' multifaceted benefits, while noting gaps in menopausal-specific evidence.
September 2023 in “Medical lasers” In this study, using a shampoo with Morus alba root extract over 12 weeks increased hair density and shaft thickness in patients with mild to moderate non-scarring alopecia, with both investigators and participants noting visible improvements and moderate satisfaction.
2 citations
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January 2023 in “BMC plant biology” This study found that root hair length and density in rice are controlled by distinct genomic regions, with 18 regions identified but no overlap between the traits.
This manuscript reviews the multifaceted causes of female hair loss, including hormonal imbalances and nutrient deficiencies, and suggests that non-pharmaceutical options like saw palmetto and curcumin show promise in enhancing hair density, though further studies are needed to confirm their effectiveness and safety.
65 citations
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February 2018 in “The Plant Journal” This study found that PLDζ2 and NPC4 enzymes play distinct roles in lipid remodeling and root hair growth in Arabidopsis under phosphate deficiency, influencing root hair density and length in a tissue- and time-specific manner.
22 citations
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August 2019 in “Environmental research” This study found that the Pseudomonas sp. T5-6-I strain significantly increased selenium accumulation and root hair density in Brassica oleracea, highlighting its potential for phytoremediation and biofortification.
74 citations
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January 2015 in “Asian Journal of Transfusion Science” This study found that platelet-rich plasma injections led to improvements in hair counts, thickness, and strength in patients with androgenic alopecia, showing promise as an effective treatment with no major adverse effects.
April 2012 in “Informa Healthcare eBooks” The document concludes that diagnosing hair loss requires evaluating multiple histological features, as no single feature is definitive on its own.
January 2023 in “Sovremennye problemy nauki i obrazovaniâ” Miliacin may help prevent hair loss and improve hair growth in mice with a condition similar to human baldness.
88 citations
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July 2019 in “International Journal of Molecular Sciences” In this study of patients with Androgenic Alopecia, micro-grafts containing HD-AFSCs resulted in significantly improved hair density and follicle count over 11 months compared to a saline solution, suggesting a potential alternative therapy for hair regrowth.
17 citations
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April 1997 in “American Journal of Dermatopathology” This report provides the first microscopic description of pachyonychia congenita-associated alopecia, identifying a combination of histological features that might be unique to this condition.
66 citations
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December 2016 in “Frontiers in Plant Science” This study found that rice genotypes exhibit significant variation in root hair properties under low phosphorus conditions, with genotype DJ123 showing particularly efficient root hair growth and phosphorus uptake.
May 2024 in “Physiologia Plantarum” In this study, Bacillus subtilis strain ALC_02 was observed to enhance phosphorus acquisition in phosphorus-limited dwarf tomato plants by promoting root and root hair growth, with potential implications for developing effective bacterial P biofertilizers.
26 citations
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October 2017 in “Scientific reports” This study found that a bacterial endophyte from Zea nicaraguensis effectively targets and colonizes plant root hair cells, promoting growth and solubilizing insoluble phosphorus for nutrient uptake.
February 2024 in “Frontiers in plant science” This study found that Plant Elicitor Peptides enhance root hair growth through a mechanism independent of their known receptors, with PROPEP2 playing a key role in this process by influencing gene expression related to root hair formation.
5 citations
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September 2017 in “Plastic and Aesthetic Research” This study aimed to assess whether using minoxidil alongside nutritional cyclical supplements could boost hair regrowth without antiandrogens or enzyme blockers, focusing on hair root strengthening. Results are not reported.
62 citations
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February 2018 in “Scientia Horticulturae” In this study, the authors reported that mycorrhizal treatment in trifoliate orange seedlings affected root hair growth and auxin-related gene expressions differently under varying phosphorus levels.
10 citations
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October 2000 in “PubMed” This study found that transgenic mice expressing HPV E6/E7 in the outer root sheath experience continuous hair follicle cycling due to delayed catagen entrance and insensitivity to telogen resting signals.
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.
In this study, researchers discovered that the Fusarium sp. strain K23 fungus enhances salt-stress tolerance in Arabidopsis thaliana by promoting root hair development, suggesting a potential strategy to combat soil salinity issues in agriculture.
35 citations
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December 2017 in “Journal of Experimental Botany” In this study, CSLD3 overexpression in Arabidopsis enhanced root and hypocotyl growth by increasing cell elongation, with root growth highly sensitive to ethylene and phosphate starvation conditions.
April 2012 in “韓國藥用作物學會誌 = Korean journal of medicinal crop science” This study observed that a herbal product containing Rosa multiflora roots significantly increased hair density and thickness in patients over 16 weeks, suggesting potential for hair growth promotion and hair loss prevention.