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This study demonstrated that engineered skin substitutes using human keratinocytes and murine dermal papilla cells can develop pigmented hairs without sebaceous glands, suggesting separate pathways for hair development and eruption.

This study visualized mitochondrial metabolism in cultured bovine hair follicles and plucked human hairs, finding that ROS and mitochondrial polarization correlate in specific hair follicle regions, particularly near keratin deposition sites.

This article explains the structure and multifunctional roles of the human skin, including its protective, regulatory, and sensory functions, but does not report new research findings.

This study revealed that deficiency in the enzyme FA2H in mice affected sebaceous gland function, altered sebum composition, and caused cycling alopecia, highlighting FA2H's role in hair follicle homeostasis.

This study found that the contribution of the hair follicle pathway to skin permeation of chemicals can be predicted using lipophilicity, with hydrophilic chemicals showing greater permeation reduction from hair follicle plugging than lipophilic ones.

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

This study found that mechanical stress activates a WISP-1/Hedgehog signaling axis that contributes to ligamentum flavum hypertrophy and fibrosis, identifying Hedgehog signaling as a potential therapeutic target.

This study demonstrated that an engineered human skin equivalent can generate follicle-like structures resembling fetal skin, highlighting the role of the dermal compartment in directing epithelial cell fate in vitro.

This review summarizes various drug treatments for hidradenitis suppurativa, noting their effectiveness, side effects, and high recurrence rates, but reports no new clinical findings.

This article examines the role and composition of integral hair lipids in forming a protective barrier similar to the skin's epidermal lipid layer and reports no new findings about their effects.

This review found little evidence supporting zinc as a first-line treatment for dermatological conditions, except in cases of systemic zinc deficiency, and suggests further research is needed.

This study found that dual 5α-reductase inhibition in rats led to decreased sperm motility and altered morphology, resulting in subfertility.

This review discusses azelaic acid's mechanisms and uses in dermatology, noting its effectiveness in treating conditions like rosacea, acne, and melasma, but reports no new clinical results.

This review examines hair shaft disorders, reporting limited evidence for treatments like minoxidil and oral retinoids, and emphasizes gentle hair care and genetic counseling for managing congenital cases.

This review discusses the potential persistent adverse effects associated with 5α reductase inhibitor treatment for androgenetic alopecia but provides no new clinical results; it emphasizes the importance of discussing these risks with patients.

This study found that melatonin exposure promoted hair follicle fiber growth in Cashmere goat cultures, potentially influencing pathways related to the microvascular system and extracellular matrix.

This study demonstrates that keratin K2 is crucial for proper keratinocyte structure and function in specific mouse skin areas, and its deficiency leads to cellular aggregates and skin abnormalities.

Most women preferred the 1% pyrithione zinc shampoo for better hair smoothness and less frizz while controlling dandruff.

This study suggests that human keratin fiber matrix has a well-defined nano-scale grainy structure rather than being amorphous, with grain size influenced by chemical treatments, temperature, humidity, and follicle-level factors.

This review discusses traction alopecia in individuals with Afro-textured hair and emphasizes the importance of education to prevent this condition, but it reports no new clinical results.

In this study using a rat model, discontinuing dutasteride improved some relaxant responses but did not fully restore erectile function, indicating a potential time-dependent detriment of the drug.

This study reports that eccrine sweat glands in mice predominantly develop on the footpads, offering a reference for skin research involving genetically engineered mice.

This review examines cell-based therapies for limbal stem cell deficiency, highlighting epidermal and hair follicle-derived stem cells as promising candidates for future clinical trials, but reports no new clinical findings.

In this study, researchers identified a novel congenital skin disorder in Chesapeake Bay retrievers, linked to a plakophilin-1 deficiency due to a genetic mutation, marking the first known occurrence in an animal species.

This study indicates that the normal human prostate is not a major contributor to circulating blood DHT concentrations in androgen-deficient patients receiving testosterone replacement therapy.

This review discusses changes in keratin structure or gene expression that result in various skin disorders and reports no new clinical findings.

This study reports that the completeness of DNA degradation in hair during cornification varies among individuals and affects the success rates of forensic hair DNA analysis.

In this study, alopecia areata patients treated with diphencyprone showed a significant increase in CD8 lymphocytes around hair bulbs, which may be associated with hair regrowth.

This review discusses the risk factors and implications of sperm aneuploidy in males, and it reports no new clinical results; the authors highlight the importance of personalized assessment in assisted reproduction.

This study provides evidence that human sweat gland myoepithelial cells contain stem cells capable of self-renewal and differentiating into sweat gland luminal cells.