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This article, a special issue on hair follicle biology and pathology, reports no new research findings.

This study found that Sonic Hedgehog protein treatment enhanced the sprouting and regeneration of pelvic ganglia and cavernous nerves after injury, with localization of delivery affecting outcomes.

This study observed that both dutasteride and finasteride affected penile morphology in normotensive and hypertensive rats, with more pronounced changes in hypertensive animals, especially when treated with dutasteride.

Mother and son diagnosed with a rare genetic hair loss condition with no effective treatment.

This study found that while there are some ethnic differences in skin and hair follicle characteristics, these differences are unlikely to significantly affect the penetration of topical substances, suggesting other factors such as cultural habits may also play a role.

This study demonstrated that transcutaneous vaccination via cyanoacrylate skin surface stripping effectively induced both CD4 and CD8 T cell responses in humans, offering a promising alternative to intramuscular injection.

This study found that the hair of a 16th-century female mummy discovered in Paju was remarkably well-preserved due primarily to a calcium-based surface coating that likely inhibited moisture and microorganism infiltration.

This study reported that the development of nanoemulsion-based hair growth serums is increasing, with enhanced international collaboration and scientific presence, especially between China and the United States.

This study suggests that the anogenital distance measure AGD_AC may moderately discriminate the presence of polycystic ovarian syndrome and could be a useful clinical tool.

This study found that surface modified nanoparticles showed increased skin permeation and improvement in allergic contact dermatitis, independent of the follicular pathway.

This study found that hydrophobic lipid-coated silica nanoparticles penetrated deeper into human stratum corneum compared to their hydrophilic counterparts, highlighting the influence of surface polarity on skin penetration.

In this study, researchers found that electrospun membranes with aligned surface topography advanced the immune response towards an adaptive stage and highlighted the role of T cells in hair follicle regeneration in mice, showcasing the intricate interactions between immune and skin cells.

Pax9 is crucial for proper tongue surface development and preventing skin-like changes.

This study concluded that combining cyanoacrylate skin surface stripping with particle-based antigen delivery effectively targets HIV-1 p24 protein to skin cells, supporting its potential for needle-free transcutaneous vaccination.

This analysis reports that hepatitis B surface protein antigen exposure is associated with an increased risk of alopecia areata.

In this study, researchers found that the cell surface protein Lrig1 plays a crucial role in regulating the suppressive function of regulatory T cells, suggesting it as a potential target for treating autoimmune diseases, as evidenced by experiments in mouse models.

This study found distinct skin surface changes, including faint mosaic melanoderma and atypical scaliness, on long-standing sun-exposed balding scalps that may be associated with actinic field carcinogenesis.

This study found that wool fiber surfaces damaged in processing tended to have cellular debris adhering to them, while undamaged surfaces did not show this interaction.

This study found that greater root surface area due to root hairs contributed to better growth and zinc uptake of wild-type barley compared to its root-hairless mutant in zinc-deficient soil.

This study conducted a comprehensive analysis of methods for assessing surface roughness, highlighting that contact methods using profilometers provide accurate results for machine parts, while non-contact optical and laser methods offer high precision and efficiency without damaging surfaces.

This study reports that human hair follicle stem cells express different surface markers than mouse stem cells, facilitating their isolation and potentially aiding in the development of cell-based skin treatments.

This study found that bleach treatments significantly increased hair surface roughness and decreased Young's modulus, indicating marked changes in hair's molecular structure which may affect future hair-care product formulation.

This study reports that Ca 2+ binding alters the dynamics and surface properties of PKD-like domains in Clostridium histolyticum collagenases, enhancing their stability and potentially aiding in collagen-targeting vehicle development.

This review discusses how faecal pollution contributes to antimicrobial resistance in surface water and highlights the need for standardized methods and better wastewater management but reports no new clinical results.

This study found that a multicolor panel of four surface markers can identify new stem cell populations in mouse hair follicles, providing insights into stem cell diversity and gene expression discrepancies during tissue culture.

Iodine is absorbed by hair just below the skin surface.

This study found that electrospun membranes with aligned surface topography enhanced wound healing and hair follicle regeneration while modulating the immune response in a mouse skin wound model.

This study found that while tape-strip RNA sequencing effectively profiles surface-connected epithelial compartments of human hair follicles, deeper follicular programs require traditional biopsies, except in cases of alopecia areata, which enhances the technique's follicular reach in capturing inflammatory signatures.

This study suggests that using the International Psoriasis Council's classification, which includes body surface area, special areas, and treatment history, may identify more candidates for systemic therapy than by body surface area alone.

This research highlights the key interactions of hair cosmeceuticals, focusing on their effects on the hair fiber surface, cuticle, and cortex, which are crucial for protection and mechanical strength, particularly in damaged hair.