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This article discusses aspects of evaluating patients with androgenetic alopecia for hair transplantation and reports no clinical results.

In this study, minoxidil nanoparticles significantly increased hair growth rate in C57BL/6 mice compared to traditional minoxidil, suggesting enhanced effectiveness and potential as a new formulation.

In this study, microneedling with a depth of 0.6 mm, alongside minoxidil, significantly improved hair count and thickness in patients with androgenetic alopecia compared to minoxidil alone, and was more beneficial than a 1.2 mm depth.

This mini-review reports that advances in microbioreactor technology, particularly with microfluidics, significantly enhance eukaryotic cell-based biomedicine by improving productivity, scalability, and reproducibility in applications like CAR T-cell manufacturing and organoid growth, though challenges in scalability and material selection remain.

This study concluded that the Box-Behnken experimental design effectively optimizes the size of finasteride nano-emulsions by assessing the impact of various experimental factors.

This study observed that the thinning and structural abnormalities in monilethrix-affected hair occur at the internodes due to possible periodic dysfunction of the hair matrix, particularly in the cortex.

This article provides an overview of microneedle technology for transcutaneous drug delivery, discussing microneedle designs, materials, and activation methods that enhance drug stability and regulated release, and outlines considerations for their successful clinical implementation, such as biocompatibility and production cost.

This study found that nanodiamonds of various sizes can penetrate different layers of murine skin in vitro, reaching hair follicle niches, and may be suitable for multimodal imaging applications.

This study developed a nanoscale biomimetic matrix that effectively and stably expands human hair follicle stem cells, offering a new tool for hair follicle reconstruction research.

This study found that single-crystal magnesium samples smaller than 100 nm exhibited increased plastic deformation due to greater activation of nonbasal planes as local flow stresses approached 2 GPa.

This study reports that a new multi-slit knife for hair transplant procedures reduces surgical time and increases precision by enabling quick creation of equidistant "brick-pattern" sagittal slits.

This article discusses scalp micropigmentation as a noninvasive method to conceal various forms of hair loss and scalp abnormalities and reports no clinical results; the authors highlight its safe and effective application.

This study found that both a nutritional supplement and a topical hair lotion reduced hair loss and increased the anagen to telogen hair ratio in individuals with androgenetic alopecia.

In this viewpoint, researchers discussed the possible role of the developmental origin of scalp dermis in influencing the specific pattern of hair follicle miniaturization seen in male pattern hair loss, noting that frontal follicles are more susceptible while occipital follicles remain largely terminal.

The study reported that reducing finasteride particle size significantly improved its cellular permeation through prostate epithelial cells, though it had a lesser impact on systemic pharmacokinetics and tissue distribution in rats.

This study concluded that the process of mummification disfigures facial features, making identification challenging, but commercial shrunken heads retain more defining features compared to ceremonial ones.

This study demonstrated that ablation of individual somatostatin-expressing interneurons increased activity in nearby neurons of the mouse motor cortex during motor learning.

This study proposes a new clinical scoring method for hair density based on hair diameter diversity, which correlates with existing measures and reflects follicle miniaturization in androgenetic alopecia.

This study highlights the clinical potential of microneedles as an innovative transdermal drug delivery system for treating various skin diseases with minimal pain and high patient compliance.

In AGA mouse models, this study found that the combination of nickel–copper nanozymes and minoxidil in dissolvable microneedles significantly enhanced hair regeneration and improved the hair follicle microenvironment by reducing reactive oxygen species and increasing vascular density, compared to minoxidil alone.

The research observed that 40-nm self-assembled nanoparticles enhanced minoxidil penetration in hairy guinea pig skin compared to 130-nm nanoparticles, but this size effect was absent in hairless skin.

In this study, researchers developed a three-dimensional ultrastructural analysis tool using serial block-face scanning electron microscopy to reveal detailed nerve networks and muscle structures in human skin tissues, demonstrating the technique's potential to study structural changes in aging or disease.

The microneedle arrays effectively promote wound healing and have potential for clinical use.

Dissolvable microneedles are a promising, painless method for effective skin treatments.

This study found that nanoparticles can penetrate the skin, but artifacts produced during specimen preparation complicate accurate observation, and proposed a method for reducing errors in imaging quantum dots as tracers.

Minoxidil enhances hair growth and preserves the root sheath in cultured follicles.

This study found that women with androgenetic alopecia experience diffuse hair loss due to a decrease in terminal hairs and an increase in vellus hairs per follicular unit.

This study found that using an electrical microneedling device enhanced the penetration of liposomal melanin-fluorescein into hair structures and widened the follicular infundibulum in ex vivo human skin models.

A new, quick method accurately detects minoxidil in drugs and cosmetics.