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This review discusses various types of microneedles and their potential to expand the range of drugs delivered via the skin, but reports no new clinical results.

This review discusses the use of microneedling with a dermaroller for treating acne scars, hair loss, and wrinkles, and reports no new clinical results.

This review highlights the use of microneedling devices and patches to deliver cosmetic agents through the skin, noting their applications in skin rejuvenation and safety considerations such as potential skin irritation and infection.

This article discusses the application and considerations of bariatric surgery for adolescents with severe obesity, highlighting the need for specialized programs but reporting no new clinical results.

This study introduced a semi-automatic hair follicle implanter that can reduce surgery time and fatigue for both patients and surgeons, with effectiveness demonstrated in animal and clinical trials.

This study describes a method to create keratin hydrogels with adjustable erosion rates by mixing different ratios of keratose and kerateine, enabling controlled release of therapeutic agents like insulin-like growth factor 1.

This review examines the design strategies for creating conductive hydrogels with adjustable properties for various biomedical applications, highlighting their potential for supporting cell growth, wound healing, drug delivery, tissue regeneration, and biosensing.

The researchers developed a new follicular unit extraction system with adjustable needle lengths and precise rotation speed, which they report as being superior to existing systems for non-incisional hair transplants.

This study developed simulated skull models and a method to assess programming tool movements, selecting three models as most clinically relevant for hydrocephalus shunt valve programming.

This study introduced a multifunctional DNA hydrogel dressing that may enhance wound healing by promoting tissue regeneration, nerve repair, and immune response in diabetic infectious wounds.

Animal experiments in this study demonstrated that a new sandwich-like fiber/sponge dressing design, which enhances wound healing through improved moisture management and faster exudate evaporation, resulted in more significant wound size reduction compared to commercial and control dressings.

This review discusses the catalytic mechanisms and potential applications of nanozymes in areas like tumor therapy and biosensing, but reports no new experimental findings.

The review concluded that better studies are needed to prove if Low-Level Laser Therapy devices for hair growth really work.

This study found that a novel in-situ crosslinked self-healing hydrogel made from oxidized Bletilla striata polysaccharide and cationic gelatin enhanced wound healing and showed strong hemostatic performance in animal models, suggesting its potential as an effective wound dressing for skin trauma.

This chapter discusses the composition, biocompatibility, and production methods of biomaterials like collagen, chitin, and silk for dermal substitutes, focusing on preclinical and clinical research, but reports no new clinical results.

This tool was developed to enhance reproducibility and sensitivity in measuring partial hair regrowth in alopecia areata patients, particularly those undergoing JAK inhibitor therapy, using scalp photographs.

In this study, researchers developed an open-source browser-based tool to enhance the reproducibility and accuracy of SALT score calculations from scalp photos, aimed particularly at assessing partial regrowth in alopecia areata patients on JAK inhibitor therapy.

In this review, recent advances in long-acting microneedle-based transdermal drug delivery systems are outlined, highlighting biodegradable polymers like PLA, PLGA, and PCL for sustained release and discussing challenges in clinical translation such as consistency in manufacturing and validating long-term efficacy and safety.

This study developed a hydrogel dressing incorporating angelica polysaccharides, demonstrating enhanced wound healing properties in a mouse model by promoting rapid hemostasis, tissue healing, and new blood vessel formation compared to Tegaderm™ film.

This review discusses recent advances in noninvasive hair imaging technologies, such as global photography, trichoscopy, reflectance confocal microscopy, and optical coherence tomography, highlighting their potential to improve hair diagnostics and treatment monitoring, while also outlining their clinical applications and limitations.

This study developed a low-viscosity triamcinolone acetonide serum, used with a derma stamp microneedling device, to improve targeted treatment of alopecia areata, reporting favorable drug solubility, spreadability, and permeation to hair follicles, while maintaining skin safety.

This study developed a new triamcinolone acetonide serum combined with a microneedling device, showing promise for treating alopecia areata by targeting hair follicles in a less invasive, patient-friendly way with confirmed drug solubility, compatibility, and safety.

This announcement from Redfield Corporation introduces the first disposable linear slot punches for hair restoration surgery, with sharpness guaranteed for up to 500 recipient sites.

This study developed and tested continuous implanters for dermal papilla cell aggregates, finding that the bar-cartridge type implanter is the most effective design for continuous cell implantation in androgenetic alopecia research.

This study demonstrated that while the proposed placebo microneedle stamp design was partially successful in blinding participants with low skin sensitivity, further development of suitable placebo controls is needed.

This study reports that using stamps to mark scalp incisions with gentian violet ink and a barrier film improved incision symmetry and maintained slot visibility for hair graft insertion in the frontal region.

This study reports that a novel multimodal approach, combining tattoo machine–assisted drug delivery of hair loss treatments with oral and topical medications, may enhance hair density and thickness in androgenetic alopecia patients, though larger controlled studies are needed to confirm these early findings.

This study found that scalp microinfusion with dutasteride using microneedling and tattoo devices appears safe and shows promise as a treatment for male androgenetic alopecia, resulting in stabilization or improvement in 96.7% of patients, although further controlled studies are needed.