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This article reviews the differences between scarring and non-scarring alopecias and describes diagnostic methods but reports no new clinical findings.

This article proposes a classification system for hair casts to resolve confusion in existing literature and describes a staining technique to distinguish peripilar keratin casts from other hair disorders, without providing new clinical results.

This study describes a double embedding technique for preparing tangential sections of hair and wool fibers, recommending specific staining methods for quantitative analysis and demonstrating wool fiber cortical fractions.

This research reports that the ultra-high sulfur keratin promoter acts as a tissue-specific promoter in mouse hair follicles, as shown by induced expression of GFP and β-gal in that region post-transfection.

The researchers reported that mast cell and nerve fiber interactions in mouse skin are highly selective for nerve fiber types and vary depending on the hair cycle phase.

This study found that putative hair follicle stem cells can successfully be cultured from the bulge area of hair follicles for up to four days, suggesting potential for further development of culture techniques.

This review discusses the indications and technical aspects of megasession hair transplantation and reports no new clinical results.

This practical guide introduces methods to study human dermal white adipose tissue but does not report new clinical results, emphasizing available techniques and staining protocols.

This study confirmed the presence of cells in the hair follicle bulge area and outgrowth of putative stem cells, suggesting potential for further development in stem cell culture techniques.

This study demonstrated that lactate dehydrogenase activity is notably high in quiescent hair follicle stem cells within mouse skin using a specific enzymatic activity assay.

This study found that the natural product Shi-Bi-Man significantly promoted hair regeneration in cynomolgus monkeys, increasing hair follicle number and activation by boosting specific protein markers and interactions in Laminin-related pathways.

This study found that both FUE and FUT methods are equally effective in producing high-quality hair grafts, with FUE offering the advantage of less noticeable scarring compared to FUT.

This study reported that patterns of fibrosis identified through elastin staining may help distinguish specific forms of primary cicatricial alopecia in biopsy specimens, with certain patterns suggesting particular diagnoses.

This study concludes that elastic tissue staining is the most reliable method for identifying scarring patterns in alopecia biopsy specimens, and polarized microscopy may provide specific insights for nonscarring alopecia.

In this study, researchers measured that the MMP drug delivery technique administered approximately 1,175 μg/cm² of medication into the dermis of human skin, but these findings are specific to the experimental protocol used.

This study suggests that epithelial-derived pop-up keratinocytes (ePUKs) may improve regenerative medicine applications due to their specific phenotype and increased expression of proteins involved in regulating cellular movement and wound healing.

This study observed that keratin sponges showed comparable biocompatibility to a commercial positive control in mice, but keratin gels had slightly inferior biocompatibility.

This study suggests that specific combinations of human type I and II hair keratins, particularly K35-K85 and K36-K81, have distinct in vitro assembly properties that are significant for macrofibril formation.

This study found that epithelial components of calcifying epithelioma of Malherbe showed lectin binding and keratin staining patterns similar to normal hair follicles, with prominent Con A staining in tumor giant cells.

This study applied a new RGB trichrome stain to human skin samples, revealing distinct structural staining in normal tissues and potential proteoglycan-rich zones in hair follicles.

This study concluded that their modified immunohistochemical staining protocol can determine the ABO blood group of both medullated and non-medullated scalp hair, potentially aiding in hair sample screening before DNA analysis.

This review discusses five genetic fate mapping methods used to study cell behaviors during development and regeneration, detailing the necessary tools and considerations without reporting new experimental results.

This study found that 'black dots' seen under trichoscopy are not specific to alopecia areata and may occur in various other hair and scalp conditions.

This study observed that TBX3 mRNA expression levels were region-specific and correlated with pigmentation patterns in dun Mongolian horses, providing insights into the genetic mechanisms behind their distinctive Bider markings.

The researchers found that HOXC13 regulates different keratin proteins in a mixed manner, with certain SNPs impeding this regulation, while also demonstrating negative-feedback by HOXC13 and positive regulation by LEF1 and melatonin on the HOXC13 promoter.

This study describes a method for labeling and tracking hair follicle stem cells in mouse skin using a Cre/lox recombination system with tamoxifen, providing insights into stem cell behavior and contribution to tissue regeneration.

This guide reviews the biology of sebaceous glands and their evaluation methods, emphasizing their roles beyond lipid production in skin health and disease, and reports no new research results.

This review discusses the potential of adipose-derived tissue components like nanofat and stem cells for aesthetic rejuvenation, covering their use in hair growth, scar reduction, and more, without reporting new clinical results.

This review discusses recent advancements in the management and diagnosis of primary cicatricial alopecias but reports no new clinical results; emerging insights suggest sebaceous gland dysfunction may play a role in their etiopathogenesis.

This review discusses hair shaft disorders, noting the lack of specific treatments and recommending general care practices to prevent hair damage, with some improvement possible during puberty or with treatments like minoxidil.