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This case report highlights the successful treatment of a 37-year-old male with steroid-resistant beard alopecia areata using baricitinib, a JAK-1/2 inhibitor, over 9 months, resulting in reduced hair loss and improved hair density.

This article reviews the characteristics, associations, and diagnostic criteria for alopecia areata and reports no new clinical findings; the authors note the disease's unpredictable course and variable prognosis.

In this study, topical minoxidil was found to be an effective, safe, and easy treatment for individuals with alopecia areata affecting 25–99% of the scalp, but less effective for total scalp hair loss.

Treatments for hair loss include hormone modifiers, minoxidil, and hair transplant surgery.

This study found a positive association between clinically meaningful scalp hair regrowth and improvements in patient-reported outcomes, such as satisfaction and reduced psychosocial burden.

In this study, the hot-wire hair removal device (no!no!) was found to be no more effective than shaving in reducing hair density, regrowth rate, or altering hair characteristics.

This case study reports the first known instance of successful rapid hair regrowth in a psoriasis patient with alopecia universalis after starting deucravacitinib, suggesting potential for TYK2 inhibitors in managing alopecia areata.

This study observed that a targetoid polycyclic concentric hair regrowth pattern appeared in some male patients with alopecia areata following treatment, indicating a positive sign of recovery despite unclear etiopathogenesis.

This study found that exosomes derived from mesenchymal stem cells primed with rapamycin significantly enhanced hair regrowth, hair density, and hair follicle development in depilation-induced mice compared to controls, suggesting a potential therapeutic approach for hair loss.

This study found that ritlecitinib, taken daily, led to scalp, eyebrow, and eyelash hair regrowth in patients aged 12 and older with severe and very severe alopecia areata over a 24-month period.

This study found that electronically-operated pneumatic injections for administering a peptide-hyaluronic acid combination were well tolerated and led to significant improvement in hair density and thickness for men with androgenic alopecia over six months, though the exact mechanism remains uncertain.

This study found that treatment with baricitinib 4 mg over 52 weeks led to clinically meaningful regrowth of eyebrows and eyelashes in patients with alopecia areata, even without complete scalp hair regrowth.

In this study, researchers identified subgroups of patients with severe alopecia areata treated with baricitinib who experienced early, gradual, or late hair regrowth, finding that response was influenced by baseline disease severity and duration of hair loss.

This article discusses female pattern hair loss and explores potential causes beyond androgenic factors, reporting no new research findings.

This study found that treatment modalities and patch size influence hair regrowth patterns in alopecia areata patches.

This review explores emerging therapies for hair regrowth, highlighting two strategies: hair follicle neogenesis and Wnt/B-catenin pathway modulation, which show promise for treating alopecia by potentially offering more effective options than existing treatments.

This study reported that fermented yeast complex extract may promote hair regrowth by modulating antioxidative and anti-inflammatory pathways in dermal papilla cells and increasing hair follicle numbers in an animal model.

This study demonstrated that Periplaneta americana extract significantly promoted hair regeneration in depilated mice by enhancing superoxide dismutase activity, upregulating vascular endothelial growth factor, modulating the FOXO/PI3K/AKT pathway, and restoring skin microbiome balance, suggesting its potential as a novel therapeutic candidate for alopecia.

This study found that sulforaphane-rich broccoli sprout extract significantly accelerated hair regrowth in a mouse model of androgenetic alopecia, suggesting its potential as a safe and effective natural therapy.

This study suggests that the interaction between CXXC5 and Dishevelled is a potential target for promoting hair regrowth and hair follicle formation, offering a new approach to treat hair loss.

This review suggests weak associations between GLP-1 receptor agonists and increased reports of hair loss, particularly with semaglutide and tirzepatide, while cases of hair regrowth were also occasionally documented.

In this study on C3H/HeJ-engrafted mice, a single injection of BMD-1141 significantly increased anagen hair follicle counts and enhanced hair regrowth compared to daily high-dose ruxolitinib, suggesting it stimulates hair growth by influencing the hair cycle rather than altering immune response.

This study found that nearly 40% of patients with severe alopecia areata who showed eyebrow or eyelash regrowth on baricitinib 4 mg achieved significant scalp hair regrowth by the second year of treatment.

In this study, intradermal injections of extracellular vesicles over six months were reported to be safe and effective in improving hair growth among patients with pattern hair loss, with favorable response linked to specific patient factors and treatment volumes.

This study found that hair transplantation techniques, particularly follicular unit extraction (FUE), were effective for head and neck scar alopecia, with method selection based on scar type and depth.

This study found that garlic gel significantly improved the efficacy of topical betamethasone valerate in treating alopecia areata compared to placebo.

This study found that treatment with platelet-rich plasma showed some hair re-growth in patients with severe alopecia areata, but results were not sustained and treatment was associated with pain and discomfort.

This report describes the case of identical twin males, where one applied topical 5% minoxidil for over a year on the beard and mustache area and the other did not, highlighting the anecdotal use of minoxidil for facial hair enhancement.

This article discusses platelet-rich plasma (PRP) for hair regrowth and reports no new clinical results, stating that clinical data are robust for wound healing but less so for hair regrowth.