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This article discusses monilethrix, a rare human hair dysplasia caused by mutations in hair keratins, but reports no new clinical findings.

This study found that light stimulation of intrinsically photosensitive retinal ganglion cells in the eyes can activate hair follicle stem cells through a neural circuit involving the sympathetic nervous system.

This study found that expanding hair follicle keratinocytes with a fibroblast feeder followed by short-term coculture with dermal papilla cells could restore their ability to form new hair follicles.

This study found that a combination of four transcription factors can transform mouse fibroblasts into cells resembling inner ear hair cells, potentially aiding research into hearing loss treatments.

Hair growth can be induced by certain cells found at the base of hair follicles, and these cells may also influence hair development and regeneration.

In this review, researchers analyzed literature on trichotillomania and found advances in understanding its neurobiology—highlighting dysregulated reward circuits and genetics—and treatments, with behavioral therapy and innovative pharmacological approaches improving outcomes where traditional SSRIs do not.

This study explores a novel hypothesis for Male Pattern Baldness, suggesting that chronic tension in the scalp's Galea Aponeurotica creates a hypoxic environment affecting hair follicles, and proposes a Triad Therapeutic Protocol to address this underlying cause rather than just the symptoms.

This study found that implanting microencapsulated dermal papilla cells in rat ears led to hair follicle regeneration, suggesting a potential alternative to fresh isolated dermal papillae for inducing hair growth.

This study proposed that the tiger tail phenomenon in trichothiodystrophy hair is caused by regular undulations of hair fibers, altering the optical properties seen under polarized light.

This article reviews emerging mechanobiological strategies like electrical stimulation and microneedling combined with nanotechnology as non-invasive methods for hair loss treatment, suggesting these approaches could provide futuristic alternatives to current therapies such as minoxidil, finasteride, and hair transplants.

This study found that thyrotropin-releasing hormone (TRH) acts as a potent stimulator of hair growth in human scalp hair follicles, promoting elongation and prolonging the anagen phase.

This study elucidates a mechanism for male pattern baldness involving chronic scalp tension leading to follicular hypoxia, rather than purely hormonal factors, and proposes a treatment targeting electrolyte, vascular, and neurological factors to restore balance.

This study developed in vitro methods to regenerate hair follicles and erector muscles by mimicking their native structures and mechanical conditions, reconstructing hair follicle-like structures and forming muscle-like tissues.

This study concluded that epidermal growth factor may induce a 'catagen-like' phase in human hair follicles by disrupting normal cellular proliferation and migration patterns.

This study found that human hair shafts emit electromagnetic signals that can create images through thin glass barriers, potentially influenced by static electricity.

This study achieved regeneration of hair follicle-like structures and erector muscle of hair in vitro by simulating cellular organization and applying mechanical stimuli.

This study found that a laboratory model using nude mice can produce human hair follicles with amino acid compositions resembling both normal and trichothiodystrophy-affected human scalp hair over extended periods.

This article describes a protocol for using bioengineered techniques to regenerate functional hair follicles and their stem cell niches by manipulating epithelial and mesenchymal cells.

This study found that topical application of mitochondrial electron transport chain inhibitors stimulated hair follicle stem cell activation and hair regrowth in aged mice by promoting lactate production.

This study found that modulating epithelial and mesenchymal cell interactions in vitro enabled nearly 100% efficient induction of hair follicles, suggesting potential applications for understanding and testing hair growth and graying.

This review discusses the development and advances in studying trichogenic dermal cells for hair follicle morphogenesis, summarizing methods, bioassays, and molecular markers, but reports no new research findings.

This article discusses the novel approach of introducing dissolved keratin into the body to enhance hair growth and reports no clinical results; further studies are needed to evaluate its efficacy.

This article reviews monilethrix, a rare genetic hair disorder causing brittle hair and alopecia, and emphasizes the need for clinical diagnosis and characteristic tricoscopic findings.

The authors reviewed cases of six children with both hair-shaft abnormalities and neurological disorders, noting that such hair defects may indicate neurological conditions, including potentially treatable metabolic errors.

This study explores hypertrichosis, a condition of excessive hair growth, highlighting its classification, diagnostic methods, and potential treatments. The authors emphasize the importance of individualized approaches and further genetic research to enhance treatment options for this primarily cosmetic issue that can signal systemic diseases.

This study found that implanting isolated adult rat dermal papillae into ear cuts led to the emergence of unusually large vibrissa-type hair follicles, demonstrating their capacity to induce specific hair fiber characteristics.