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Lack of small, fine hair on the front hairline is a key sign of frontal fibrosing alopecia.

Keratin fibers in hair twist left-handed.

This article reviews the role of inflammation in scarring alopecia and reports no clinical findings; the authors note a need for further research into its etiology and pathogenesis.

This article discusses the social and physical significance of hair and highlights the impressive tensile strength of keratin-rich human hair, reporting no new results.

This study developed a support vector machine model using trichoscopic patterns to accurately classify androgenic alopecia severity, with an accuracy of 94.3% in training and 90.0% in test datasets.

This article discusses the modern societal obsession with body perfection and its impact on body dissatisfaction, escalating demand for aesthetic techniques, and advertising, without reporting new research findings.

This study shows that multiphoton microscopy can non-invasively distinguish scarring from non-scarring alopecia by identifying specific morphological features in hair follicle structures.

This chapter offers detailed histopathologic insights into various pilosebaceous unit diseases, discussing diagnosis without reporting new results.

This study found that trichoscopy criteria can distinguish female androgenic alopecia from chronic telogen effluvium, with specific features achieving 98% diagnostic specificity.

This study introduces a new multimodal imaging technology to visualize and quantify cell dynamics in natural skin over long durations, demonstrated in GFP bone marrow-transplanted mice, to study dynamic skin regeneration.

This review examines the differences in dermatology practices between Europe and North America, noting that European dermatologists often prioritize evaluating patients' psychosocial factors and utilize nondrug treatments, unlike their North American counterparts.

This study involved using smartphone applications and low-cost trichoscopy devices to assess various hair and scalp conditions, with diagnoses confirmed through detailed imaging during remote consultations and in-person evaluations.

In this lecture, Dr. Anna Gorecka and Dr. Ewa Bieber discuss how social media has influenced the rise of cosmetic surgery and patient expectations, as well as its connection to self-esteem and body dysmorphic disorder. Results are not reported in this summary.

In this study, Wang et al. (2022) found that in patients with cutaneous lupus erythematosus, chronic lesions contained more senescent progenitor cells, marked by p16 and p21, than subacute lesions, suggesting a link between disease chronicity and cellular senescence.

This article reviews various aspects of androgenetic alopecia, from its historical perceptions to current understanding and treatments, without providing new clinical results.

This study found that high-frequency ultrasound was effective in localizing deep tumor margins in basal cell carcinoma, suggesting its utility in selecting therapeutic approaches.

This study used high-resolution imaging and genetic analysis to investigate hair density in the Dazu black goat, identifying key genes like GJA1 and GPRC5D involved in follicle development and maintenance, and highlighted their role in animal hair density regulation.

A deep learning model was developed to help diagnose trichothiodystrophy by analyzing hair patterns.

This review discusses the relationship between perceived stress and hair loss or graying, exploring hair follicles as a model system but reports no new clinical results.

This study found that a peripilar white gray halo around hair emergence is a highly specific and sensitive dermatoscopic feature for diagnosing central centrifugal cicatricial alopecia in African American patients with mild central thinning.

This study demonstrates that spatially resolved IR and Raman imaging can effectively reveal the molecular structure and composition of untreated human hair, providing insights into its chemistry and structural integrity.

This study investigated the tensile response and morphological changes of different ethnic hair types using AFM, showing variations between virgin, chemically damaged, and conditioner-treated Caucasian hair under different conditions.

In this study, Scalp Immersion Proxigraphy (SIP) was shown to produce more accurate measurements of linear hair growth rate than crude phototrichogram techniques, suggesting SIP's suitability for clinical trials monitoring hair growth.

This review discusses the role of hair dyes in cosmetic dermatology, their effects on hair and scalp health, and the importance of dermatologists understanding potential side effects; it reports no new findings.

This review describes the development of three mouse models using fluorescent proteins to visualize and study angiogenesis in tumors, particularly detailing interactions between tumor cells and the surrounding stroma.

This source reviews Japan's extensive 2014 reforms and investments in regenerative medicine, exploring the government's initiatives to accelerate stem cell research while maintaining safety and efficacy.

Dermoscopy is a good, noninvasive way to see normal cat skin structures and could be useful for check-ups.

In this study, symptom clusters in people living with HIV were relatively consistent across different symptom experiences and may help develop targeted interventions for managing multiple symptoms simultaneously.

This review discusses androgenetic alopecia in adolescents, including its prevalence and use of minoxidil topical solution, but provides no new clinical results.

This study found that human hair follicles emit electromagnetic fields due to metabolic activity linked to S100 proteins, visualized using a novel microscopic technique with nano-sized iron particles.