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This study found that platycodon ethanol extract showed potential as a natural ingredient for hair loss prevention by increasing radical scavenging ability, inhibiting inflammation, and affecting DHT generation in laboratory experiments.

This review concluded that a herbal hair tonic formulated with 2.5% green tea leaf extract, in combination with specific solvents and additives, showed the best properties for stimulating hair growth.

The study found that a pomade containing bay leaf extract significantly promoted hair growth in New Zealand White rabbits, with the 30% extract formula demonstrating the highest growth compared to lower concentrations and a control without extract.

In this study using lab models, YangHyulEum Gami-Bang (YHEG) was associated with promoting hair growth and inhibiting factors that contribute to hair loss.

This study found that Polygonum multiflorum and Panax japonicum extracts could promote hair regrowth in mice, suggesting potential use as hair tonics.

In this study on Swiss albino mice, researchers reported that perilla leaf extract stimulated hair growth similarly to minoxidil, counteracting hair loss induced by testosterone injections.

This study found that EGCG from green tea may stimulate human hair growth by promoting the proliferation and anti-apoptotic activity in dermal papilla cells.

This study reported that peanut callus extract, rich in resveratrol, significantly stimulated hair growth and reduced hair loss in an in vitro model and a clinical trial, showing promise as a cosmetic bioactive ingredient.

This study observed that ethanol extracts of Lygodium japonicum spores significantly reduced inflammatory responses in LPS-stimulated murine macrophages in vitro by negatively regulating p38 MAPK and NF-κB.

This randomized controlled trial found that consuming *Gynostemma pentaphyllum* extract significantly improved hair elasticity, density, and diameter over 24 weeks without severe adverse events, suggesting it as a safe functional food ingredient for hair health improvement.

This study found that SPELA 707, a herbal extract mixture, enhanced hair density and promoted hair growth by converting hair into the anagen phase in individuals with androgenetic alopecia and C3H mice.

This study found that in vitro extracts of Glycyrrhiza glabra root are strong antioxidants, particularly in ethanolic form, and contain secondary metabolites, but only showed mild antibacterial activity.

Ginseng and Albizia extracts help prevent hair thinning with age.

This study found that Ashwagandha-derived nanovesicles increased cell proliferation, angiogenesis, and growth factor expression in vitro, suggesting they may have potential as a plant-based alternative or complement to current therapies for hair and skin conditions.

The study reported that both ethanol and water extracts of pakis munding roots significantly promoted hair growth in male rabbits, showing better results than the marketed hair growth drug minoxidil.

This review discusses peptide "biogenic stimulants" from human placenta extracts, highlighting their potential wide-ranging clinical applications across multiple diseases, and reports no new clinical results.

This study used in silico analysis to identify 4-[2-(4-nitrophenyl)ethylcarbamoyl]benzenesulfonyl as a potential inhibitor of the EGFR mutant associated with NSCLC, highlighting the need for further in vitro and in vivo validation.

This review compiles data on Platycladus orientalis leaves, noting their diverse pharmacological activities and advocating for more research to clarify their traditional blood-cooling and hematostatic uses.

In this study, a hair tonic formulation with bean leaf juice increased hair growth in male rabbits, with concentration-dependent improvements in hair length and weight compared to a control.

This study found that EGCG, a compound from green tea, may enhance the proliferation and antioxidant activity of dermal papilla cells by upregulating VEGFA expression, potentially aiding hair follicle growth.

This study comparatively evaluated different extraction techniques for Schinus terebinthifolius Raddi leaf extracts and found that conventional extraction with ethanol yielded the highest antioxidant activity and beneficial effects on skin cell viability, supporting its potential use in sustainable cosmeceutical formulations targeting skin aging.

This study found that fig leaf extract significantly downregulated inflammatory and androgenic gene expression in vitro, suggesting potential topical benefits for certain skin disorders.

This study found that Ajuga reptans leaf and root extracts, when incorporated into cosmetic products, improved skin hydration, elasticity, pore size, hyperpigmentation, and wrinkle depth.

In this study, mangosteen pericarp water extract was found to significantly promote hair dermal papilla cell proliferation and enhance melanin synthesis in vitro, surpassing known melanogenic agents such as α-melanocyte stimulating hormone and forskolin in potency.

In this study, human dermal papilla cells exposed to wasabi leaf extract showed changes in cytokine-related gene expression, which the authors suggest could help clarify the biological effects of wasabi.

This study found that Grateloupia elliptica extract may help treat hair loss by promoting dermal papilla cell proliferation, inhibiting 5α-reductase, and reducing inflammation in various cell types.

This study found that ethanolic extract and fractions of Ceiba leaf tonic may enhance rabbit hair growth similarly to 2% minoxidil.

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 bitter melon leaf extract, particularly at a 10% concentration, promoted hair growth in male rabbits, outperforming the effect of a 2% minoxidil solution.