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This review describes human hair follicle behavior and suggests that glycans may play a key role in controlling hair follicle growth, but reports no new clinical results.

This review describes the dual influences on hair follicle homeostasis, proposing it as a "Yin Yang" paradigm, and highlights glycans as a potential key in hair follicle growth control; no new clinical results are reported.

This study found that exosomes derived from bovine colostrum, compared to those from human stem cells, significantly increased hair follicle growth and regeneration in vitro.

This guide explores the fundamental science and practical applications of nanocrystal technologies to enhance the bioavailability of poorly water-soluble drugs, detailing synthesis methods, stability solutions, and drug delivery innovations like hydrogel composites and microneedle platforms.

In this perspective, recent advances in regenerative medicine, including bioartificial substitutes and engineered in vitro platforms, are reviewed for their potential to restore human hair follicles, highlighting new technologies like 3D printing, hair-on-a-chip models, and stem cell-derived organoids.

This review discusses the development of hair-on-a-chip technology for hair follicle research and alopecia treatment, reporting no new clinical results but highlighting future research directions.

This article reviews organotypic skin culture systems and their applications in dermatological research, highlighting their ability to model human epidermal conditions in vitro, but it reports no new clinical results.

This review covers various treatments for managing PCOS symptoms and infertility, noting that aromatase inhibitors may be as or more effective than clomiphene citrate for ovulation induction but reports no new clinical results.

This study found that phosphatidic acid promotes hair growth by stimulating cell proliferation and protecting against apoptosis in murine hair epithelial cells, unlike lysophosphatidic acid, which showed limited effects.

This study found that a gintonin-enriched fraction from ginseng promoted hair growth in mice by stimulating dermal papilla cell proliferation and increasing hair follicles and weight.

In this study, researchers reported that adenosine stimulated hair shaft elongation in cultured human hair follicles by promoting proliferation and prolonging the anagen phase, suggesting the A2B adenosine receptor in outer root sheath keratinocytes as a promising target for treating hair growth disorders like alopecia.

This study found that KF19418 stimulated hair follicle growth in vitro and accelerated hair regrowth in a mouse alopecia model, with effects comparable to minoxidil.

This study found that gels containing glycyrrhizic acid and aqueous Glycyrrhiza glabra extract significantly reduced underarm hair growth in terms of area, thickness, length, and number compared to their gel bases.

This study found that sulforaphane and its related compounds may promote hair follicle growth in mice, suggesting their potential as treatment agents for androgenic alopecia.

This study found that procyanidin B-3, a compound isolated from barley extract, may promote hair growth by enhancing hair epithelial cell growth and counteracting TGF-β1's growth-inhibiting effects in vitro and in vivo.

This study developed a new human in vitro hair model that replicates in vivo hair characteristics and may be suitable for high throughput screening of hair growth treatments.

This study found that Ficus benghalensis leaf extracts reduced the activity of 5 α-reductase II and promoted hair growth in rabbits by elongating the hair follicle's anagen phase, suggesting potential for treating hair loss.

This study found that ethanolic extracts of Buebang 3 CMU may promote hair growth and prevent hair loss more effectively than minoxidil by enhancing bioactive compounds and activating key signaling pathways.

This study developed an in vitro artificial hair germ model using dermal papilla cells and skin keratinocytes to explore early stages of hair follicle regeneration.

This study observed that human primary adult hair matrix keratinocytes may have the potential to generate hair follicle organoids, suggesting possible applications in hair follicle neogenesis and preclinical hair growth agent screening.

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.

In this study, researchers used yaks as a natural model to investigate hair growth mechanisms, overcoming previous limitations by establishing in vitro models of hair follicle-associated cells and optimizing methods for cell culture and differentiation.

This study examined dermal papilla cells from hair follicles, finding that gene expression changes linked to wound healing and stem cell activity align with hair follicle regression, which could inform strategies for hair growth and skin rejuvenation.

This study found that Lophocereus marginatus extracts significantly inhibited melanoma cell growth in vitro and stimulated hair growth in mice, with combined treatments of LM with minoxidil or bergamot showing notable effects by day 14 without altering body weight.

Andrographolide from Andrographis paniculata promotes hair growth and could be a natural treatment for hair loss.

This study reported that a three-dimensional hydrogel culture system supports the growth and maintenance of distinct dermal papilla cell types, crucial for skin reconstitution assays in neonatal mice.

This study found that dopamine directly induces the catagen phase in human scalp hair follicles in vitro.

This study found that nestin-negative hair follicle stem cells can differentiate into neural stem cell-like cells, but not mature neurons, through a multi-step neuro-induction process.

This study found that their system effectively supports the rapid formation of human hair follicle organoids, providing a platform for studying hair regeneration and drug screening.