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This study found that, despite the unchanged total level of 18-MEA, deletion of the Sox21 gene disrupts its attachment to the hair cuticle, increases cholesterol sulphate levels, and differentially affects ceramide composition.

The researchers reported that a newly developed ionic liquid-based microemulsion significantly improved the local delivery of copper peptides in mice, enhancing hair growth-related factor activation while offering a safer, non-invasive alternative to existing treatments for hair loss.

In this study, serum 25-hydroxyvitamin D levels were similar between alopecia areata patients and healthy controls, though a non-significant trend toward higher vitamin D deficiency was observed among the patients.

This study found that using an aqueous solution of AMPD in hair bleach reduced both hair damage and odor compared to ammonium hydroxide.

This article discusses various dermatologic surgical methods for managing skin conditions but reports no clinical results; the authors note that some manifestations of senile skin are not amenable to these procedures.

This chapter discusses various skin diseases and the adaptation of clinical trial methods to different dermatological conditions, without providing new research findings.

Combining scalp photos with hair density and caliber measurements gives a more accurate assessment of hair loss.

This article discusses the principles of Evidence-Based Medicine (EBM) in patient care decision-making and reports no new empirical findings.

This review highlights key considerations for developing effective herbal hair oils, focusing on carrier selection, bioactive extraction, and standardization, and suggests incorporating advanced delivery systems like nanoemulsions to improve global manufacturing practices.

This study analyzes contemporary theories and practices to understand key factors influencing the development of the examined phenomenon, proposing trends and practical applications for researchers and practitioners, while acknowledging study limitations and suggesting future research directions.

In this study, a new delipidisation method that removes over 97% of key lipids from wool rapidly and without yellowing was reported to improve wool processing and printing quality.

This study's simulations suggest that replenishing free 18‐MEA could restore damaged hair surface properties, highlighting the importance of optimal fatty acid spacing for maintaining hair integrity.

This study found that bioconjugating 16-methylheptadecanoic acid (16-MHA) to damaged hair can mimic the protective properties of 18-methyleicosanoic acid (18-MEA), restoring the hair's structural integrity and moisture homeostasis, even after washing.

This study used molecular dynamics simulations to illustrate the complex molecular behavior of the hair surface F-layer, highlighting how fatty acids interact with 18-MEA under different conditions.

This article reviews the roles and types of surfactants and ingredients in modern shampoos, discussing their contributions to cleansing, conditioning, and cosmetic effects, but reports no new experimental findings.

This study reports the successful formulation of a stable herbal hair serum with Catharanthus roseus extract and other ingredients, noting it has a suitable pH, consistency, and stability, suggesting potential effectiveness as a natural alternative for hair care pending further clinical trials.

In this study, researchers analyzed hair follicle development in Yongqing Rex rabbits, finding dynamic changes in fur thickness, coat density, and hair structure across 1 to 6 months, along with fluctuations in follicle density and gene expression linked to hair growth and quality.

In this study, centralised measurements provided more consistent and accurate results for assessing hair loss in mild-to-moderate alopecia areata, reducing error compared to local ratings.

This narrative review found that while AI-based tools in dermatology, particularly for hair disorder assessment, have potential to enhance clinical practice by improving objectivity and personalization, they currently serve mainly a complementary role and face challenges like methodological limitations and data bias.

In this study, researchers found that a propylene glycol-free and alcohol-reduced topical foam containing minoxidil and finasteride remained chemically, physically, and microbially stable for 180 days when stored properly at room temperature in light-resistant containers.

Focus on general hair care and lifestyle changes.

This study suggests that stress intensity is highly correlated with hairfall severity, highlighting the potential of an inexpensive and accessible machine learning approach for forecasting and prevention.

In this case report, the authors described a patient who developed postoperative pressure alopecia one month after a lengthy surgery, emphasizing the importance of primary prevention to minimize patient distress from this preventable complication.

In this study, researchers developed a shampoo using ambon banana peel and green tea leaves, reporting that it showed positive characteristics and was safe for addressing hair loss, with optimal viscosity levels achieved in certain formulations.

This study found that among 100 Caucasian patients with androgenetic alopecia, dermatologists could discern hair loss at thresholds significantly lower than the previously cited 50% reduction, highlighting the importance of using objective trichometric measurements to improve detection and personalized treatment strategies.

This chapter reviews various hair disorders, focusing on androgenetic and scarring alopecias, and discusses management strategies, but presents no new research findings.

In this study, the P&P Hairline Laser, a hands-free laser-assisted device, was found to produce smoother and more symmetrical hairlines compared to traditional handheld laser devices.

This letter addresses feedback on a study about the effects of platelet-rich plasma on female androgenetic alopecia, particularly discussing the magnification choices for measuring hair density and caliber.

This source outlines the potential effects of treatments commonly used in trichology on SARS-CoV-2 infection and offers a guide for managing trichological patients during the COVID-19 era, addressing the challenges of safely visiting and treating patients.

This study found that using rind-based dosimetric techniques in brain irradiation significantly reduced scalp dose and alopecia compared to standard treatment plans, with 60% of patients experiencing no hair loss.