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This study found that intense pulsed light treatment primarily targets pigmented structures in hair follicles and may damage dermal papilla cells at high energy levels, but stem cells are mostly spared.

This study presents a new hair removal algorithm for dermatoscopic images of skin lesions that improves hair detection accuracy by 2–7% and hair repair accuracy by 2–5% on average, using advanced techniques like maximum variance fuzzy clustering, Criminisi priorities, and the ant colony algorithm.

In this study, researchers developed a relatively simple punch assay for regenerating hair follicles using mouse or human cells, finding efficient hair formation with mouse cells but low efficiency with human cells on reconstituted human skin.

This study suggests that newly developed micro-pigment-encapsulated biodegradable microneedles accurately implant pigments in pig cadaver skin, potentially advancing scalp micro-pigmentation methods.

The document explains how hair is studied in forensics to identify its source and its role in criminal investigations.

In this review paper, the authors explored the composition and role of lipids in human hair, highlighting their importance for hair texture, moisture retention, and tensile strength, while noting that the understanding of hair lipids' functions remains controversial and requires further research.

This case study describes a 21-year-old male diagnosed with Becker's nevus, characterized by hyperpigmented and hypertrichotic lesions that developed over several years.

This study discovered that the gene Tfap2b identifies a melanocyte stem cell population in zebrafish, essential for regenerating melanocytes with multi-fate potential into adult pigment cells.

This review suggests that isotretinoin's effects on severe acne and various cancers may result from apoptosis, which might also explain its adverse effects through genetic variability.

This study identified multiple loss of function variants in the HR gene linked to the unique hair coat phenotype in lykoi cats, also known as werewolf cats.

This study found trichoscopy to be a highly sensitive, non-invasive method for diagnosing tinea capitis in children, which could be valuable in resource-limited settings lacking mycological culture facilities.

This study explored a mother and daughter with loose anagen hair syndrome linked to wooly hair, identifying an intronic variant in the KRT71 gene that affects hair keratin splicing, thus broadening the spectrum of KRT71-related disorders.

This study observed various patterns of permanent alopecia in breast cancer patients treated with taxanes and adjuvant hormonal chemotherapy, hypothesizing disruptions in hair follicle cycles due to chemoinflammatory and hormonal factors.

This study found that two short peptides derived from pigment epithelium-derived factor significantly accelerated full-thickness skin wound healing in mice through mechanisms that may involve increased cell proliferation and stem cell mobilization.

This article reviews advances in the histologic evaluation of alopecia and hair-related disorders, without presenting new clinical results.

This review discusses current knowledge of keratinocyte stem cell dynamics, including their regenerative roles and potential applications beyond wound healing, but presents no new clinical findings.

Dermoscopy shows that varying hair shaft thickness and single hair follicles are main signs of male pattern baldness, especially in the fronto-temporal region.

This article reviews drug-induced pigmentation and reports no new clinical findings, highlighting difficulty in confirming drug associations due to factors like delayed onset and polypharmacy.

This review discusses trichoscopic features of hair disorders in individuals with dark skin phototypes and reports no new clinical results; the authors emphasize the need for more specific diagnostic criteria for these populations.

The researchers reported that certain physical characteristics of hair shafts, such as length and color, may influence mtDNA read counts and degradation state when analyzed by massively parallel sequencing.

This review discusses the role of the MC1R gene in human pigmentation and its genetic variants, reporting no new results; the authors highlight its forensic applications for phenotypic prediction.

This review discusses the development and application of multiphoton microscopy in dermatology, highlighting its advantages and potential future research directions without reporting new clinical results.

This review discusses the early phases of melanomagenesis and the factors influencing melanoma cell variability and reports no new clinical results.

This article discusses primary cutaneous virilism, focusing on alopecia in women with androgen-dependent skin conditions, and reports no new findings.

This study observed that SY red pericarp rice extract promotes hair growth, inhibits 5α-reductase, and enhances hair regeneration in mice, with the extract being safe from cytotoxicity and irritation, indicating its potential as a natural hair growth promoter.

This review highlights the role of the skin's photosensory system in mediating responses to UVA radiation, contributing both to immediate protective effects and to broader circadian and seasonal adaptations, but reports no new experimental results.

This study suggests that trichoscopy with a handheld dermatoscope may help differentiate temporal triangular alopecia from other localized alopecia by identifying specific hair features.

This review discusses the limitations of current hair classification systems and highlights the need for standardized reporting of key hair characteristics to improve study comparisons; it reports no new results.

This study observed significant differences in hair and cashmere properties among three goat breeds in Southwest China, noting better quality cashmere in Inner Mongolia cashmere goats and their crossbreed compared to Dazu black goats.

This article reviews dermatological research on black skin, emphasizing its unique physiological characteristics and common conditions like acne and eczema, and suggests more focus is needed on its structural differences and clinical responses.