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This study found that micro-current electrical stimulation may promote hair growth in human hair follicle-derived papilla cells and a mice model by enhancing cell proliferation, migration, and activating key growth pathways.

This study found that CD1d is strongly expressed in human scalp skin and hair follicles, particularly in the anagen phase, suggesting a role in scalp immunology and potential implications for hair disorder treatment.

ACTH promotes hair growth in mink, but α-MSH does not.

In this study, sildenafil was found to enhance human dermal papilla cell proliferation and promote hair growth in mice, suggesting potential use in alopecia treatment.

In this study, topical application of ginsenosides Rb₁ and Rd in mice increased cell proliferation in hair follicles, suggesting they may help prevent hair loss by promoting growth through p63 induction.

In a C3H mouse model, this study found that topical retinoids can significantly alter hair-cycle dynamics by prolonging the anagen phase and shortening the telogen phase, a reaction connected to increased cellular retinoic acid-binding protein levels.

Hair can indicate early signs of metabolic disorders, with issues like protein deficiency stopping hair growth.

This study found that both alcoholic and aqueous extracts of Punica granatum L. showed potential for promoting hair growth and exhibited anti-lice and antidandruff activities in a mouse model.

This study found that Keratin 26 is expressed differently in hair follicle phases, particularly during catagen and telogen, influencing cashmere growth and interacting antagonistically with the BMP signaling pathway.

This study found that, in Japanese patients with androgenic alopecia, sebaceous glands exhibit increased multilobulation which may be significant in the condition's pathology.

This study demonstrated that a device combining hyaluronic acid-based dissolving microneedles and lipid polymer hybrid nanoparticles effectively delivered miR-218 to promote hair growth in a shaved mouse model, outperforming topical smear treatment without safety concerns.

This study found that chi-miR-30b-5p was more expressed in the telogen phase than in the anagen phase and inhibited dermal papilla cell proliferation by targeting CaMKIIδ.

This study found that deleting podoplanin in mouse keratinocytes promoted hair follicle growth during regeneration, suggesting it may regulate hair cycling pathways that could aid in treating hair loss conditions.

This review describes the clinical characteristics and confirms the diagnosis of short anagen syndrome in the largest reported series to date, comparing it to loose anagen syndrome.

This review discusses the histologic features of nonscarring alopecia and highlights the importance of clinical-pathological correlation for accurate diagnosis, but reports no new clinical results.

Exosomes from stem cells might help treat hair loss.

In this study, Nec-1s was found to promote hair growth and may target necroptosis and the Wnt/β-catenin pathway for potential treatment of hair loss.

This study observed that adipose-derived stem cells modified with trichogenic factors have similar properties to dermal papilla cells and show enhanced hair regeneration potential compared to unmodified adipose-derived stem cells.

This study found that mEGF ethosomal delivery systems mainly penetrated mice skin through the pilosebaceous unit and successfully induced hair follicles to transition from the telogen to anagen phase.

This study reports that scalp biopsies in white adults usually have 16.5 hair follicles, primarily in the anagen phase, with male samples showing fewer follicular units but more fibrous tracts in certain areas.

This study identified two high sulfur protein genes, B2E and B2F, in rats, which are expressed in hair cortical cells during anagen and contribute to hair fiber production.

In this study, topical application of α-methylspermidine during the telogen phase in mice induced hair growth by increasing the polyamine pool and mimicking the anagen phase's characteristics.

This study observed variability in hair density and types across different scalp areas in cadaver biopsies, providing reference values that could aid in diagnosing hair disorders in Asians.

This study found that the 2,940 nm erbium: YAG laser may promote hair growth in C57BL/6 mice by speeding up transitions in the hair cycle and increasing hair follicle numbers.

This study found that red ginseng oil promoted hair growth and protected against UVC-induced skin damage in mouse models.

This study found that noninflammatory alopecia in dogs can be caused by exposure to estradiol gel used by their owners for postmenopausal symptoms, with hair regrowth observed after minimizing exposure.

This review discusses the biology of hair follicles and mechanisms behind various hair disorders, but it presents no new findings; the authors emphasize understanding these concepts to inform treatment development.

The study found that exogenous decorin administration accelerated the anagen phase and delayed the catagen transition, suggesting it may act as a positive regulator of the hair cycle.

This study observed that primary hair follicles in Liaoning Cashmere goats had broader hair bulb widths compared to secondary follicles, with the difference diminishing during the anagen phase of hair follicle development.

This study found that neprilysin (NEP) activity and expression play a significant role in regulating the hair cycle in rats, with a specific inhibitor suppressing hair growth in mice.