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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 HMGB1 enhanced hair growth by stimulating PGE2 production in human dermal papilla cells, suggesting a potential therapeutic target for alopecia treatment.

This study found that intradermal administration of adipose-derived stem cell–conditioned medium significantly increased hair density and dermal thickness, suggesting potential regenerative effects on both hair follicles and the interfollicular scalp in patients with alopecia.

This study found that ethanolic asiasari radix extract may induce apoptosis in G361 melanoma cells through ROS-dependent regulation of p53, suggesting potential as a medicinal option for melanoma.

In this study, BP201, derived from porcine lung phospholipids, promoted hair growth in mice, especially when combined with minoxidil, and increased hair follicle numbers and dermal papilla cell proliferation.

This review discusses the role of various cells outside the hair follicle in regulating melanocyte stem cells and hair graying, but reports no new clinical results.

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 reported that bio-pulsed avian-derived mesenchymal stem cell extracellular vesicles significantly improved cell proliferation, wound healing, and gene expression in human skin fibroblasts and hair follicle cells.

This study investigated the effects of Akkermansia muciniphila on testosterone-induced hair growth inhibition in mice, finding that both live and pasteurized forms significantly encouraged hair growth and increased hair follicle size and growth factor levels compared to testosterone treatment alone.

This study demonstrated that Periplaneta americana extract significantly promoted hair regeneration in depilated mice by enhancing superoxide dismutase activity, upregulating vascular endothelial growth factor, modulating the FOXO/PI3K/AKT pathway, and restoring skin microbiome balance, suggesting its potential as a novel therapeutic candidate for alopecia.

This study found that the HoxC gene cluster plays a critical role in the development of ectodermal organs, including hair and nails, with mammalian-specific enhancers increasing transcription levels during development.

This study found that treatment with human foreskin fibroblast conditioned medium improved both objective measures like hair density and subjective satisfaction in patients with androgenetic alopecia.

In this study, the researchers observed that higher expression of the Sonic hedgehog gene in cashmere goats' hair follicle cycles is associated with increased cell proliferation and reduced apoptosis, suggesting its role in enhancing cashmere quality.

This study found that adenosine promotes hair growth by stimulating the Wnt/β-catenin pathway in cultured human dermal papilla cells through activation of the adenosine receptor.

This study found that the combination of epidermal growth factor and Jagged1 significantly stimulated hair growth in mice with androgen-suppressed conditions, suggesting potential therapeutic implications for androgenetic alopecia.

This study found that Rab27a and Rab27b play opposite roles in hair growth, with Rab27a knockdown suppressing and Rab27b knockdown promoting hair growth in models.

This study reported that recombinant sonic hedgehog proteins can promote hair growth by activating hair-related genes and signaling pathways, suggesting potential as a therapeutic agent in mice.

This article reviews the potential hair-protective effects of Onion and Aloe vera against damage from hair dyes but reports no new experimental results.

This study found that PBMCsec has anti-fibrotic effects on mouse and human skin scars by regulating pro-fibrotic gene expression and inhibiting myofibroblast differentiation and elastic fiber breakdown.

This laboratory study found that activated platelet‐rich plasma supernatant enhanced hair growth signaling pathways in cultured human dermal papilla cells, suggesting potential for treating androgenic alopecia.

The drinkable supplement increased hair growth and was safe for women with hair loss.

This study found that elevated expression of the protein Zyxin in hair follicles is associated with androgenetic alopecia and suggests it may be targeted for therapy.

This expert group provided recommendations for preparing and using platelet-rich plasma in treating androgenetic alopecia, suggesting a manual double-spin method and specific dosing, although further studies on injectable platelet-rich fibrin are needed.

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.

In this study, the herbal complex of Houttuynia cordata, Perilla frutescens var. acuta, and green tea promoted hair growth in C57BL/6 mice, enhancing regrowth and follicle development compared to controls.

This study found that treatment with mesenchymal stem cell extracellular vesicles enhanced hair growth in mice and stimulated dermal papilla cell activity and growth factor production in vitro.

This study found that topical cilostazol promotes hair growth, enhances hair follicle activities, and may serve as a potential treatment for alopecia.

This article reviews major types of genetic hair shaft defects and associated syndromes, emphasizing understanding histologic features and diagnostic methods, but reports no new clinical findings.

This study found that while the EtOAc fraction of Centella asiatica had the highest antioxidant activity, it was toxic to human follicle dermal papilla cells, but the EtOH crude extract promoted hair growth by enhancing VEGF expression.

In this study, researchers found that FGF9 plays a significant role in sheep wool growth by accelerating the proliferation and cell cycle of dermal papilla cells, potentially through regulation of the Wnt/β-catenin signaling pathway.