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This article reviews current hair loss treatments, proposing a hypothesis that a combination of drugs, supplements, and therapies may effectively manage hair loss, but presents no new clinical results.

This study found that systemic administration of NDP-MSH, a melanocortin receptor agonist, provided neuroprotective effects on dopaminergic nigrostriatal neurons in a mouse model of Parkinson's disease, reducing neuroinflammation and suggesting a role for regulatory T cells in these neuroprotective effects.

This study found that a PRP-like cosmetic product called TR-M-PRP plus significantly improved hair growth in individuals with alopecia areata over three months, as measured by the SALT score, suggesting it could be a safer alternative to traditional PRP treatments.

The study concluded that increasing the GSH concentrations in preservation solutions for follicular units doesn't lessen the oxidative stress during cold ischemia and reperfusion in hair transplantation surgery.

This study explored the immune environment of the hair follicle's bulge region and suggested that its unique signaling may prevent melanoma formation by lacking necessary proinflammatory signals for full oncogenic transformation, indicating potential strategies for melanoma prevention by replicating this immune-privileged environment.

This study found that rice bran ash extract enhanced melanin biosynthesis-related protein expression in a 3D hair follicle-like tissue model and hair follicle organ culture, suggesting potential for future research in melanogenesis.

This article reviews the anatomical and physiological characteristics of African American hair and skin, discusses common disorders and their management, but reports no new clinical findings.

In this study, plasma levels of MSH and cortisol in patients with alopecia areata did not show significant changes compared to healthy controls.

This chapter discusses the sources, classifications, and effects of hormones, their role in disease treatment and food security, and reports no new results.

This article reviews popular peptides used in cosmetics for wrinkle treatment and presents no new clinical findings.

This article reviews the consumption patterns and historical use of Allium vegetables like onions and garlic for their potential antimicrobial and cardiovascular benefits, but reports no new clinical findings.

This article reviews the properties of cellulose nanocrystals for sustainable development but presents no new experimental results.

This study found that patients experiencing hair loss had significantly lower serum levels of zinc and copper compared to healthy controls.

This review discusses the use of phosphodiesterase inhibitors for alopecia, finding promising preliminary results with topical caffeine for androgenetic alopecia and telogen effluvium, but limited success in alopecia areata.

In this study, Spectral DNC-N® significantly reduced hair shedding and increased hair mass and density in women with early female pattern hair loss, with effects evident after 3 months and sustained through 6 months.

This article outlines the evolving role of cosmetics in enhancing confidence and attractiveness, highlighting their ability to address skin and hair concerns with active ingredient serums.

This study explores the complex and not yet fully understood causes of premature hair greying, noting genetic factors such as Pax3 and MITE genes, potential defects in melanin transfer, and associations with certain syndromes, while stating that effective treatments are currently lacking.

This study found that rice bran supercritical CO₂ extract was classified as a non-irritant for ocular use but a moderate irritant for dermal use in rabbits and guinea pigs.

This review examines nanozymes as promising tools for cancer diagnosis and therapy due to their enzyme-mimicking catalytic properties and highlights their challenges, including biosafety and clinical translation, alongside potential improvements through biomimetic designs, particularly utilizing exosome-based strategies for targeted delivery to tumors.

This study outlined modern approaches for using cosmeceuticals in trichology, emphasizing evidence-based medicine, personalized care, and patient safety. It proposed the H.A.I.R. model as a universal algorithm for trichological programs and suggested new educational and practical tools for specialists in trichology and aesthetic medicine.

This review explores the complex biological process of hair graying, highlighting oxidative stress, genetic factors, and interventions like antioxidants and genetic therapy as key aspects affecting the preservation of hair pigmentation.

In this study, researchers found that recombinant human HAPLN1 promoted hair growth in mice and human hair matrix cells by activating specific signaling pathways, suggesting it may offer a potential hair loss treatment with fewer side effects than existing medications.

This review discusses various treatments for noncicatricial alopecias, such as androgenetic alopecia and alopecia areata, including mesotherapy, microneedling, and platelet-rich plasma therapy, noting that outcomes vary across these procedures.

This chapter discusses the composition, biocompatibility, and production methods of biomaterials like collagen, chitin, and silk for dermal substitutes, focusing on preclinical and clinical research, but reports no new clinical results.

Cosmeceuticals may benefit skin health but need more research for efficacy and safety confirmation.

This review synthesizes recent research to propose a precision framework for treating androgenetic alopecia and alopecia areata based on genetic insights and pathway biology, highlighting the roles of androgen-receptor signaling, immune dysregulation, and emerging therapies like regenerative medicine and AI-assisted diagnostics.

The abstract discusses the multidisciplinary nature and advancement of dermatology and aesthetic procedures within the health sciences, emphasizing the integration of diagnostic, corrective, preventive, and therapeutic approaches, but does not provide specific study results.

This review systematically analyzed 22 clinical trials on hair care, finding that while most studies employed appropriate statistical methods, significant inconsistencies in reporting test assumptions and effect sizes may hinder reproducibility, highlighting a need for better standardization and transparency in these research practices.

This study identified three Ayurvedic compounds that may serve as potential treatments against the macrolide-resistant enzyme murE of *Tropheryma whipplei*, addressing challenges in treating Whipple disease.

In this study, undergraduate students were surveyed about hair loss, finding a 39.2% prevalence, mostly mild, with significant risk factors including female gender, family history, scalp conditions, sleep disorders, and depression.