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This article reviews the pathogenesis and treatment approaches for premature graying of hair, noting the unsatisfactory options currently available, and reports no new clinical findings.

This article reviews current knowledge and research gaps on growth hormone in hair follicle biology, highlighting its complex role and suggesting further exploration to reveal nonclassical skin functions.

This study found that using elastic nano-liposomes to deliver palmitoylethanolamide improved its transdermal delivery and enhanced its skincare effects, with minimal cytotoxicity and no allergic reactions observed.

This study suggests that a purified sphingolipid fraction can activate melanocyte stem cells via p38 signalling, potentially offering a non-UV-based treatment for vitiligo, though additional validation is needed.

In this review, the potential role of the hormone prolactin in skin biology and its implications for treating skin diseases and hair disorders are explored, with a focus on its stress-related impacts and possible immunomodulatory function in the context of COVID-19.

This literature review reports that mutations in the SASH1 gene are linked to different pigmentation disorders, including dyschromatosis universalis hereditaria and lentiginosis. It further suggests SASH1's significant role in melanocyte processes and its potential as a target for developing treatments for these conditions.

This narrative review highlights the shared immunopathogenesis of alopecia areata and atopic dermatitis and discusses approved and investigational therapies that target common pathways, suggesting a future for personalized treatment strategies.

This study examined the factors contributing to gray hair, such as genetics and lifestyle, and found that while graying correlates with some health conditions, it is primarily a physiological process rather than a pathological one.

This study examines the similarities and differences in the pathogenesis of autoimmune conditions alopecia areata and vitiligo, highlighting shared features like immune cell involvement and cytokine pathways, while noting differing immune responses in skin and hair.

This study found that female patients in Finnish specialized health care with a history of doping use exhibited high rates of psychiatric and substance use disorder morbidity, with less than half of those using anabolic androgenic steroids showing atypical red blood cell parameters.

This study found that Kyoh®, a flavonol-rich extract from rocket leaves, may promote hair growth by enhancing the expression of hair growth-related genes in laboratory conditions.

In this study, Allium macrostemon Bunge extract was found to promote hair regrowth in a testosterone-induced androgenetic alopecia mouse model by activating Wnt/β-catenin signaling and boosting hair dermal papilla cell proliferation and growth factor expression.

This review explores the complex endocrine functions of human skin and its role as a peripheral endocrine organ, but reports no new clinical results.

This review discusses the role of corticotropin-releasing hormone in human skin, focusing on its regulation, receptors, and functions, and highlights parallels with the hypothalamo-pituitary-adrenal axis; it reports no new research findings.

This review examines the literature on autoimmune hair loss disorders, highlighting the collapse of immune privilege and the potential role of neurogenic stress in this process, but reports no new clinical results.

This article reviews the aging process of sebaceous glands, highlighting the role of intrinsic and extrinsic factors on their degradation and reporting no new clinical findings.

This study found that in Chinese goat breeds, specific genetic variations, particularly in Tibetan Cashmere goats, are associated with traits like hair growth and adaptation to high-altitude environments.

This analysis reports that hepatitis B surface protein antigen exposure is associated with an increased risk of alopecia areata.

This study demonstrated that novel curcumin analogs CMC2.24, CMC2.23, and CMC2.5 were more effective and less toxic than parent curcumin in inhibiting melanin production in normally pigmented human melanocytes, suggesting potential for skin depigmentation therapies.

In this study, a 6-month randomized controlled trial with postmenopausal women reported that supplementing with soy protein isolate with isoflavones led to significant improvements in skin hydration and reduced wrinkles and facial pigment intensity, but did not affect sebum production.

This review suggests a potential link between alopecia areata and periodontitis, emphasizing the importance of interdisciplinary approaches, including dental assessments and treatments, to potentially improve outcomes for patients with unexplained alopecia.

This study developed a hydrogel microneedle system combining ginseng-derived exosomes and biomimetic nanoparticles to address oxidative stress, inflammation, and melanocyte deficiency in vitiligo, showing significant repigmentation in mice within 3 weeks by enhancing melanocyte protection and keratinocyte proliferation.

This review discusses forensic DNA phenotyping and its potential applications, particularly for human identification in Latin American populations, but notes challenges due to genetic diversity and reports no new results.

Ganoderma lucidum extract may help treat stress-related hair loss.

This study established a novel in vivo "whisker follicle microinjection assay" using mouse whiskers to evaluate hair growth and pigmentation effects of various chemicals and proteins, identifying minoxidil, ruxolitinib, and RSPO1 as growth promoters, while deoxyarbutin inhibited pigmentation and Nbl1 emerged as a growth inhibitor.

This review discusses recent advances in understanding and treating alopecia areata, emphasizing the ongoing challenges and unmet needs in disease management; it reports no new clinical findings.

This study found that differences in skin transcriptomes between juvenile and adult mink, as well as between black and white mink, suggest genes regulating hair color are active during early development rather than adulthood.

This review discusses the National Alopecia Areata Foundation's efforts to evaluate and advance alopecia areata research, focusing on immunology and drug development, and reports no new clinical results.

This review discusses key molecular targets in cosmetic research and reports no clinical results; it highlights the role of telomerase, sirtuins, and tyrosinase in anti-aging and depigmentation strategies.

This review highlights that a comprehensive approach combining pharmacological, immunomodulatory, and regenerative interventions, including phototherapy enhanced with topical treatments and JAK inhibitors, appears effective and promising in the management of vitiligo by addressing its autoimmune and melanocyte-loss aspects.