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In this study, six-week-old male mice showed significantly increased hair regrowth rates and higher expression of hair growth-related factors when treated for 22 days with Lactobacillus strains and fermented Korean berry, suggesting these could be potential promoters of hair growth via gut microbiome regulation.

This study found that ethanol extract and an ethyl acetate fraction of Sargassum fusiforme promoted hair regrowth in C57BL/6 mice and stimulated expression of hair growth-related genes in both in vitro and in vivo models.

This study found that Lycopersicon esculentum extracts applied to mice promoted hair growth similarly to minoxidil and increased growth factor expression, suggesting potential in hair loss treatments without skin irritation.

This study suggests that certain electrical settings may enhance hair growth by stimulating dermal papilla cell proliferation and increasing gene expression related to hair growth in vitro and in rabbit skin.

This study found that VEGF significantly enhances perifollicular vascularization during the hair growth phase, accelerating hair regrowth and increasing follicle and hair size, while its inhibition retards hair growth.

This study found that the extract of Asiasari radix may promote hair growth in mice by enhancing protein synthesis, cell proliferation, and growth factor expression.

In this study, adenosine was found to stimulate hair follicle growth in vitro by promoting growth factor expression, β-catenin activation, and downstream signaling pathways.

This study suggests that sinapic acid may promote hair growth in human hair follicle dermal papilla cells by activating specific signaling pathways and inducing the expression of growth factors.

This study suggests that Houttuynia cordata extract may promote hair growth by stimulating dermal papilla cell proliferation and extending the anagen phase through enhanced energy metabolism and gene expression changes.

This study found that thymosin beta-4 overexpression in mice increased hair growth speed and density, likely by regulating P38/ERK/AKT signaling through VEGF expression.

In this study, cyclosporine A stimulated hair growth in mouse vibrissae organ culture by promoting matrix cell proliferation and altering growth factor expression.

This study found that coffee berry extract demonstrated anti-aging properties in skin and hair cells, showing significant anti-collagenase activity and stimulating hair-related gene expression, suggesting its potential for use in cosmeceuticals.

Among in vitro and in vivo models, this study found that Miscanthus sinensis var. purpurascens flower extract may promote hair growth, potentially by modulating growth factor expressions and facilitating earlier hair follicle transitions in treated mice.

This study suggests that hair follicle mesenchymal stem cells may alleviate small intestinal ischemia-reperfusion injury in rats by promoting angiogenesis, reducing apoptosis, and enhancing intestinal stem cell expression.

This study found that insect wax can significantly promote hair growth in mice in a way that is comparable to minoxidil, likely due to the upregulation of VEGF expression.

This study found that ingesting Lactobacillus paracasei HY7015 and Lycopus lucidus Turcz. extract promoted hair regrowth and follicle maturation in mice by enhancing cytoprotective effects and growth factor expression.

This study found that the topical application of a mixture of Platycladus orientalis leaf extract and α-terpineol promoted hair growth in mice by inducing early anagen transition and increasing growth factor expressions.

In this study, preoperative use of finasteride was associated with reduced blood loss and vascular endothelial growth factor expression during TURP, suggesting a potential benefit in preventing transurethral resection syndrome.

In this study, a botanical extract and minoxidil showed similar effects in vitro by reducing pro-inflammatory cytokines and 5α-reductase expression while increasing growth factors VEGF and KGF in human keratinocyte cells, suggesting potential for further in vivo research.

This clinical study found that a three-month Ayurvedic leave-on treatment significantly improved hair density and reduced hair fall in healthy Indian adults experiencing hair loss, with efficacy supported by increased VEGF expression in dermal papilla cells, promoting follicular angiogenesis.

This study explored the anti-hair loss potential of plant extracts like licorice, salvia miltiorrhiza, and others, finding they increased ALP and β-catenin expression and reduced TGF-β1 and IL-6 in human dermal papilla cells without cytotoxicity.

In this study, Rosa rugosa water extract improved hair length and thickness in a mouse model of DHT-induced alopecia by enhancing the expression of hair growth-promoting factors while inhibiting growth-suppressive proteins, suggesting its potential as a natural therapy for hair loss prevention.

In this study, researchers explored how hypoxic preconditioning affects the survival and oxidative stress resilience of nestin-expressing hair follicle stem cells and SH-SY5Y neuroblastoma cells, focusing on changes in gene expression for HIF1α, BDNF, and VEGF.

In this animal study, rats treated with recombinant human growth hormone (at both low and high doses) experienced quicker burn wound healing than controls, with increased micro vessel density and altered expression of vascular endothelial growth factor, alongside changes in oxidative stress and inflammation markers.

In a study using a mouse model, Cerasus serrulata flower extracts significantly increased β-catenin and VEGF expression, promoting hair blackening and suggesting potential as a treatment for premature greying.

This study found that topical application of Sinsun-yukza-hwan extract significantly increased hair density and thickness in a mouse alopecia model and enhanced expression of growth-related genes.

This study found that VEGF stimulates the proliferation of human hair follicle dermal papilla cells via the VEGFR-2/ERK pathway, without involving p38, JNK, or AKT signaling.

In this study, Geranium sibiricum L. extract promoted hair growth in vitro with human dermal papilla cells and in vivo in mice, outperforming minoxidil by proliferating cells and stimulating growth factor expression, suggesting its potential as a hair growth treatment.

In this study, rice bran supercritical CO2 extract demonstrated potential to promote hair growth in mice, increasing hair follicles and growth factor expression, similarly to 3% minoxidil.

This study found that Dendrobium candidum polysaccharides might promote hair growth in mice, potentially by increasing VEGF mRNA expression.