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This study suggests that apigenin may stimulate hair growth by downregulating TGF-ß1 gene expression in human epidermal keratinocytes and promoting hair follicle elongation in a rat hair follicle culture.

Raspberry ketone may help grow hair and improve skin elasticity.

This study found that in androgenetic alopecia, reduced stem cell factor production by dermal papilla cells may lead to decreased pigmentation in hair follicles.

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 in vitro study, minoxidil, diazoxide, and the novel compound NNC 55-0118 increased hair follicle growth, supporting deer follicles as a viable bioassay for ATP-sensitive potassium channel modulators.

This study found that Ecklonia cava enzymatic extract, particularly its component dieckol, promoted hair growth by increasing dermal papilla cell proliferation and inhibiting 5α-reductase activity in cultured vibrissa follicles and C57BL/6 mice.

This study found that human hair follicle dermal cells, specifically dermal sheath cells, can serve as an alternative and potentially superior cell source for constructing the dermal component of bioengineered skin in both in vitro and in vivo settings.

This study reports the cloning and sequencing of two type II hair-specific keratin genes, ghHb1 and ghHb6, located on chromosome 12q13, which are expressed during hair growth.

This study found that ultraviolet radiation negatively affects hair follicle functions in human scalp skin, and caffeine application may provide some protective effects against this damage.

This review discusses the historical development and current challenges in in vitro hair follicle culture, highlighting a need for advanced models using cell lines and tissue engineering, and reports no new results.

This study observed that CIP/KIP proteins play a significant role in regulating cell cycle arrest and differentiation in human hair follicles, supporting hair growth and formation in the anagen phase.

This study demonstrates that incorporating human neopapilla into reconstructed human skin can initiate hair follicle morphogenesis by stimulating epidermal invagination and maintaining follicle-inductive properties in vitro.

This study found that Wnt10b promotes melanocyte maturation and pigmentation in the hair bulbs of mice by activating canonical Wnt signaling.

This study suggests that controlling light exposure can influence cashmere growth by triggering hair follicles to enter their active growth phase sooner, potentially involving the CSDC2 gene as a key regulator.

In this study, mixing mouse epithelial and dermal cells was the most successful method for reconstituting hair follicles in mice, with the hair patch assay providing the quickest results.

This study found that dihydrotestosterone induced hair loss and changes in hair morphology in male C57BL/6 mice, effects that could be partially reversed by the AR antagonist bicalutamide.

In this study, DHT was observed to have varying effects on hair follicle growth and related protein expression depending on concentration, with the Wnt/β-catenin pathway potentially playing a significant role.

This study found that the hair interior defect in AKR/J mice is linked to a mutation in the Soat1 gene, which disrupts SOAT1 protein expression and affects lipid metabolism critical for normal hair formation.

This study found that deleting the Hes1 gene disrupts hair regeneration by delaying anagen initiation and shortening the anagen phase, suggesting it's crucial for maintaining hair cycle homeostasis.

This study found that aging in Korean individuals is associated with changes in hair diameter and surface structure, as observed through atomic force microscopy.

This review discusses emerging targets for developing drugs to treat hair loss and reports no new clinical results; the authors emphasize the potential for therapies that regenerate hair follicles.

This study found that intact pilosebaceous units were more effective than truncated hair follicles at regenerating a multilayered epidermis in a de-epidermalized dermis in vitro.

This study found that Sargassum muticum extract and apo-9′-fucoxanthinone promoted hair growth in rat and mouse models by increasing dermal papilla cell proliferation and activating certain signaling pathways.

This study observed that human hair follicles with a completely destroyed bulb can regenerate after being grafted onto immunodeficient mice, entering a shortened dystrophic telogen followed by anagen phase.

This study found that Annurca apple polyphenolic extracts reprogram hair follicle metabolism in mice, enhancing mitochondrial activity and keratin production while inhibiting some metabolic pathways.

This research examined the ultrastructure of deer hair fibers and found significant variations in diameter, cuticle thickness, and intermediate filament arrangements among different fiber types.

This study observed that mice with a Cx43 mutation exhibited slower and asynchronous hair regrowth with severe cuticle weathering, mimicking aspects of hair phenotype in some ODDD patients.

This study found that PEGylation of nanoparticles enhances their penetration into hair follicles, with higher molecular weight PEG resulting in deeper follicular delivery.

This study observed that injecting a combination of human cultured dermal papilla and epithelial cells induced hair growth in a mouse model.

This study found that activating CB1 receptor signaling in human hair follicles increased stem cell proliferation while reducing differentiated cell survival, suggesting CB1's role as a survival stimulus for epithelial stem cells.