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This study found that the hairless mutant gene in C 57BL/6 mice affects the hair follicle cycle and leads to early thymus degeneration and distinct skin changes.

This study reports that progressive frontal fibrosing alopecia, a distinct and gradually stabilizing form of lichen planopilaris affecting elderly women and often involving eyebrow hair loss, lacks effective treatments.

This review compares animal and human skin characteristics in in vitro permeation studies but reports no new results, highlighting variations and the need for better model correlations.

In a randomized clinical trial, Robinson et al found that patients with melanoma and their partners could effectively perform skin self-examinations after participating in a 30-minute structured skills training, potentially aiding early detection of additional melanomas.

This study found that lipid and acne inhibitive cream improved the skin condition in a rabbit ear acne model, showing significant changes in follicular cornification.

This article reviews various topics discussed at a workshop on hair disorders, focusing on hair biology, diagnosis, and challenges in therapy evaluation, without presenting new clinical findings.

Epigenetic differences affect hair loss in identical Japanese male twins.

The T-zone on the face has more androgen receptors and produces more oil than the U-zone.

This study compared the microscopic treatment zones created by different fractional lasers and radiofrequency in swine skin, finding distinct patterns and damage levels for each technology.

Men are more likely to have larger basal cell carcinomas and squamous cell carcinomas, while women have more superficial basal cell carcinomas and tumors on their legs and central face.

Minoxidil can help grow hair and make hair follicles bigger, but it can also cause side effects.

This study found that no patients with moderately dysplastic nevi with positive margins developed melanoma at the biopsy site, but those with a history of multiple nevi may have a higher risk of melanoma elsewhere.

This review outlines the clinical and histopathological features that aid in classifying tumors arising from the folliculosebaceous apparatus and reports no new research results.

This review discusses recent advances in understanding gender differences in skin and their implications for dermatologic diseases, but it reports no new experimental results; ongoing research is necessary for translating these insights into clinical practice.

This review highlights the challenges in identifying histological features of adverse reactions to soft tissue fillers and emphasizes the need for increased awareness due to product uncertainty and delayed reactions.

This article examines differences in aging among ethnic populations and highlights cosmetic procedures specific to skin of color, but reports no new research findings.

This study observed that human hair follicles with a completely destroyed bulb can regenerate after being grafted onto immunodeficient mice, entering a shortened dystrophic telogen followed by anagen phase.

This study found that Brandt's hedgehog has the thickest skin on its back and the thinnest on the cloacal region, with sebaceous and sweat glands primarily located in the nostril area.

This study suggests that hair loss in Chesapeake Bay retrievers is a breed-specific syndrome characterized by unique histological features and abnormal steroid production, possibly influenced by familial factors.

This study found that fibrosing alopecia in a pattern distribution in Hispanic male patients often resembles androgenetic alopecia, with a tendency for earlier onset compared to European and North American populations.

In this study, researchers used yaks as a natural model to investigate hair growth mechanisms, overcoming previous limitations by establishing in vitro models of hair follicle-associated cells and optimizing methods for cell culture and differentiation.

In this study, hyaluronic acid filler injections in albino rats increased subcutaneous tissue thickness, collagen and elastic fibers, and vascularization, suggesting potential benefits for combating skin aging and defects.

This study found that the occipital scalp had significantly higher epidermal nerve fiber density than the frontoparietal scalp, which may explain increased sensitivity in some patients.

This study found that acne inversa is primarily an epithelial-driven disease, with cyst-forming tendrils causing inflammation due to rupture and the release of debris, highlighting limitations of punch biopsies for analysis.

This study found that a papain-containing cream had a significantly greater depilatory effect and altered skin morphology more than a papain-containing gel when applied to mice.

In this study, subcutaneous platelet-rich plasma injections improved hair density and histological markers of hair growth in hairless rats without causing local toxicity.

This study found that in male rats, finasteride significantly decreased spermatogonia and primary spermatocytes numbers and increased Leydig cells, but did not affect overall testis histology or spermatogenesis.

This study found significant species differences in the enzyme activity and inhibitor affinities of prostatic 5α-reductases from rats, dogs, and humans, with variable potencies for different 3-oxo-4-azasteroid inhibitors across species.

Other common signs, not just the well-known immune cells around hair bulbs, are important for diagnosing hair loss from alopecia areata.

This review discusses how sex hormone levels and local steroid synthesis influence gender differences in aging skin, reporting no new clinical results.