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This study found that a hair tonic made with 10% cassava leaf extract in combination with rose water juice improved hair length growth in rabbits compared to a commercial product.

This study demonstrated that stress inhibited hair growth in mice, likely through substance P-dependent activation of immune cells, highlighting a brain-hair follicle connection.

The researchers reported that reactive oxygen species regulate the stress-induced SP-Mast cell pathway, which might support using antioxidants to treat stress-related hair loss.

This study found that premature hair loss due to stress does not occur in NK-1 receptor knockout or mast cell deficient mice, suggesting a key role for neurokinin substance P and mast cell interaction in stress-related hair follicle changes.

This study in mice demonstrated that stress or nerve growth factor injection increases sensory neuron activity related to skin innervation, suggesting a strong connection between stress perception and neurogenic skin inflammation.

This review discusses spironolactone's new roles in tumor immunosurveillance, DNA repair inhibition, and viral infection suppression, highlighting its potential to extend uses beyond traditional applications, but reports no clinical results.

This review found that supplements containing saw palmetto may improve hair quality and density in patients with androgenetic alopecia and telogen effluvium, but more large-scale RCTs are needed for conclusive evidence.

This review discusses the association between emotional stress-related neuropeptides and the pathogenesis of alopecia areata, reporting no new experimental findings.

This study found that Guasha therapy did not significantly alter nerve fiber morphology or the expression of CGRP and SP in rat skin, with parameters generally returning to normal within five days.

This study reports that side-population stem cells, distinct from hair follicle stem cells, may play a significant role in the malignant progression of squamous cell carcinomas in mice.

This study found that patients with trichodynia associated with androgenetic alopecia had significantly higher levels of substance P in both tissue and serum compared to healthy controls, suggesting a potential role for this neurotransmitter in the condition's pathogenesis.

In this study, ultradeformable liposomes containing Tween 20 or terpenes increased phospholipid bilayer fluidity and enhanced skin penetration of sodium fluorescein, with terpenes improving hair follicle penetration.

This study found that platelet-rich plasma significantly increased hair diameter in both men and women with androgenetic alopecia but improved hair density only in men.

In this case report, a 34-year-old woman developed severe alopecia areata after her second COVID-19 vaccination, but her hair fully recovered following six platelet-rich plasma treatments, highlighting PRP as a potential alternative for patients who cannot tolerate or do not respond to corticosteroids.

This study found that solid-state NMR combined with X-ray techniques provided critical insights into the structure and solvation of finasteride polymorphs, identifying gaps in existing patent characterizations.

This review discusses platelet-rich plasma therapy for nonscarring alopecia and reports no new clinical results; the author recommends more large-scale controlled studies, particularly for scarring alopecia and symptom control.

This review concluded that the double-spin PRP preparation method may be more effective than the single-spin technique for treating androgenetic alopecia.

In this study, platelet-rich plasma treatment showed minimal effectiveness for Alopecia Areata but was more effective than no treatment, with a 20% improvement observed compared to 3.3% in the control group.

Active oxygen scavengers can reverse the suppression of hair cell growth caused by androgens.

This review analyzes platelet-rich plasma preparation methods for treating androgenetic alopecia but reports no new clinical results, suggesting a need for further research to evaluate efficacy and tolerance.

This study found that platelet-rich plasma treatment effectively decreased hair fall and increased hair growth in male patients with androgenetic alopecia.

This study investigated the effects of substance P on human hair growth but found its role in hair follicle physiology remains unclear.

Using high-throughput proteomics, this study identified 34 differentially expressed proteins in the lesional skin of adults with scalp psoriasis, suggesting a cytokine storm response linked to bacterial antigens.

This study observed that recurrent alopecia areata patients with salmon patches on the nape often had severe disease, particularly alopecia areata ophiasis, which was more common in females.

This study found that in Japanese, German, and American females, changes in hair lipid patterns with age may reflect alterations in sebum excretion and affect hair texture.

This article reviews the characteristics and inheritance patterns of keratosis follicularis spinulosa decalvans, but it does not present new clinical findings, noting the disease's complex and poorly understood pathogenesis.

This retrospective review found that platelet-rich plasma products from FDA-cleared devices for alopecia were inconsistent, highlighting a need for more detailed examination of preparation methods.

This study finds that the images of soft-haired Kerr black holes show unique rotational, dilational, and drifting effects compared to bald black holes, linked to Noether charges and generalized symmetries.

This study reported that platelet-rich plasma therapy combined with intralesional triamcinolone acetonide was beneficial for patients with alopecia totalis, helping them reduce reliance on oral immunosuppressants.