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This review explores the clinical characteristics, risk factors, and treatment challenges of scalp basal cell carcinoma, noting its potential aggressiveness and difficulty in treatment, but reports no new clinical results.

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

This study describes a new method for isolating intact human eccrine glands from scalp follicular units, potentially advancing research on sweat gland physiology.

This study found that intradermal administration of adipose-derived stem cell–conditioned medium significantly increased hair density and dermal thickness, suggesting potential regenerative effects on both hair follicles and the interfollicular scalp in patients with alopecia.

In this study, finasteride treatment for two years did not significantly reverse miniaturized hair follicles in men with male pattern hair loss, challenging the "reversal hypothesis" as 79 out of 113 miniaturized hairs remained unchanged.

This study found that standardized scalp massages may help stabilize or regrow hair in individuals with androgenic alopecia, as perceived by the participants themselves.

This case report describes a transgender woman who achieved a soft, feminine hairline nine months post-hair transplant using follicles from both the occipital scalp and pubic area.

This study found that isolated human scalp hair follicles express PGE2 genes and EP2 protein, suggesting PGE2 may play a crucial role in regulating hair growth.

This study conducted a meta-analysis of gene expression data from alopecia areata patients, identifying 5109 differentially expressed genes and highlighting enriched pathways like JAK-STAT signaling, providing insights into the disease's pathogenesis and potential treatment targets.

This article describes a modified follicular unit extraction technique using a reverse rake scalp elevator, which may reduce follicular transection rates in hair transplantation from the lower occipital donor region.

This study identified three novel genetic loci associated with PCOS and found similar genetic architecture across different diagnostic criteria, with evidence suggesting genetic links between PCOS and various metabolic and psychological traits.

This study found that dermoscopy showed distinctive patterns for different types of alopecia, supporting its clinical usefulness for diagnosing diseases with small round or oval hairless patches on the scalp.

This article reviews scalp flap surgery for hair restoration, emphasizing its ability to provide immediate and natural hair coverage compared to traditional hair transplantation, and reports no new clinical results.

In this study, researchers found that the primary cause of slippage and detachment of keratin capsules in hair extensions is the re-contamination by oily residues from the hairdresser's hands, rather than the use of hair care products like masks or conditioners.

This study reported that exogenous R-spondin-1 can restore hair follicle neogenesis in adult mouse cells, highlighting differences in gene expression and signaling pathways between fetal and adult dermal papilla cells.

This study found that ultraviolet radiation negatively affects hair follicle functions in human scalp skin, and caffeine application may provide some protective effects against this damage.

This study suggests that finasteride may inhibit the enzyme PNMT, potentially contributing to its sexual and psychological side effects.

This article discusses the complexities of treating hair and scalp disorders in African American patients, emphasizing the importance of understanding their specific hair care practices and the unique impact on quality of life, but reports no new empirical findings.

This study suggests that chicken and alligator scales evolved independently through convergent evolution rather than sharing a common origin with avian feathers.

This study reported that etretinate treatment leads to increased hair shedding due to a sustained decrease in anagen duration, with an arrest at the onset of anagen and a follicular anchorage defect in telogen contributing to alopecia.

The authors concluded that using an expanded temporoparieto-occipital scalp flap for sideburn reconstruction provides satisfactory hair direction and inconspicuous scars in both the donor and recipient areas, with few complications.

This study reveals that β-catenin and retinoic acid are key regulators in the gene networks controlling the fate of skin appendages, such as scales and feathers.

Double trichophytic closure effectively treats thin scalp scars and reduces patient costs.

Iron supplements may reverse premature hair graying caused by iron deficiency.

This study found that videodermoscopy enhances diagnostic accuracy for scalp and hair disorders beyond simple clinical inspection and reveals novel disease features that could improve clinical understanding.

This study measured the lengths and depths of different portions of occipital scalp hair follicles and suggested cutting below 1 mm for hair regeneration procedures to avoid damaging the bulge zone.

This review discusses the side effects and diseases related to hairstyles and hair treatments among black women, highlighting the need for thorough examination by dermatologists, but reports no new clinical results.

This study describes the anatomy of arrector pili muscles in scalp hair follicular units, proposing a model where a single muscle structure is shared by all follicles within a unit.

This paper presents a case of a young male with linear and annular lupus panniculitis of the scalp, detailing trichoscopic findings and their correlation with histopathological features, but reports no new generalizable results.

This study reports cases of androgenetic alopecia patients with depigmented macules on sun-exposed scalp areas, suggesting potential ultraviolet-induced scalp leukoderma not covered in existing dermatology texts.