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This review discusses the application of confocal laser scanning microscopy for studying nanoparticle interactions with skin and highlights its potential for broad applications, but reports no new experimental findings.

This case study reported that endotracheal hair growth following tracheal restructuring with an autograft was associated with cigarette smoking, and was ultimately stopped by argon plasma laser-coagulation and smoking cessation.

This paper reviews the diverse skin, nail, and hair changes caused by medications, highlighting hyperpigmentation, alopecia, and nail structural alterations, but reports no new data.

This study found that MPEG-dihexPLA micelles significantly improved the skin deposition of tacrolimus compared to a marketed ointment, suggesting better targeted delivery with reduced systemic absorption.

This case report documents a successful response to griseofulvin and prednisolone treatment in a 12-year-old boy with lichen planopilaris, characterized by patchy hair loss and distinct skin changes.

This study found that acid and alkaline phosphatases serve different functions in Beagle dog skin, with ALP primarily involved in growth processes and ACP in phospholipid breakdown.

This study suggests that microneedling may be an effective and less painful treatment for vitiligo, offering benefits over traditional needle injections, particularly in challenging-to-treat areas like the extremities or stubborn regions.

In this study, TRPV3G568V mice exhibited periodic hair loss and immune cell infiltration in the dermis, without affecting hair follicle stem cell fate, suggesting a focus on dermal immune cells for future research.

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 found that low power He:Ne laser and methylene blue successfully damaged hair follicles in mice while preserving the epidermis, suggesting a potential for improved long-term hair removal options.

This article reviews the promising ease of drug administration via transdermal and other topical routes, highlighting their potential for high patient compliance and reduced side effects but provides no new clinical results.

This review discusses possible mechanisms of SARS-CoV-2 transmission through the skin and sweat and reports no new clinical results, calling for further research on this potential route of infection.

This article describes the skin changes seen in acute and chronic graft-vs-host reactions after bone marrow transplantation, highlighting the potential for early recognition due to the visibility of these changes, but reports no new clinical results.

This study observed that primary hair follicles in Liaoning Cashmere goats had broader hair bulb widths compared to secondary follicles, with the difference diminishing during the anagen phase of hair follicle development.

This article reviews melasma in men, its causes, and treatment options, but reports no new clinical findings.

This study introduces the term "hair matrix cyst" for a cyst with both pilomatricoma and epidermal cyst characteristics, highlighting its potential for misdiagnosis among similar skin conditions.

This study achieved regeneration of hair follicle-like structures and erector muscle of hair in vitro by simulating cellular organization and applying mechanical stimuli.

This study developed in vitro methods to regenerate hair follicles and erector muscles by mimicking their native structures and mechanical conditions, reconstructing hair follicle-like structures and forming muscle-like tissues.

Skin stem cells maintain and repair the outer layer of skin, with some types being essential for healing wounds.

Keratins change and are modified differently in skin layers and body parts.

This study identified altered expression of MMP-19 in the skin's epidermal layers during diseases like psoriasis and eczema, implying a role in disease processes.

This study found that nanoemulsions of different sizes vary in their ability to penetrate skin layers, with smaller sizes aiding transdermal delivery and potential applications in transcutaneous immunization.

This study reported that ELL is crucial for maintaining the proliferative capacity of the basal layer in human epidermal keratinocytes by stabilizing RNA polymerase II at the transcription start site.

In this study, researchers found that connexin 43-negative cells in the basal layer of the epidermis could serve as markers for keratinocyte stem cells, aiding their identification and separation.

This study found that TPA treatment induced expression of keratins K6 and K16 in mouse epidermis, with K6 expressed across all cell layers and K16 only in post-mitotic cells.

This research explored the components of stem cell niches to better understand how epidermal stem cells are maintained, focusing on CD271+ cells in specific skin layers.

This study describes a new method using near infrared femtosecond laser pulses to precisely ablate individual cells in the Drosophila epidermis and peripheral nervous system without damaging surrounding tissues, allowing for detailed observation of cellular responses post-ablation.

This study found that using layer-by-layer encapsulation techniques on dermal papilla cells can support their function and may help treat hair loss when used in conjunction with freshly isolated epidermal cells.

This study found that applying benzyl nicotinate on open hair follicles led to a significant increase in blood flow, highlighting the role of the follicular pathway in epidermal penetration.

This study found that micro-needling with triamcinolone acetonide led to the best treatment outcomes for alopecia areata compared to other methods of trans-epidermal drug delivery.