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This review explores the complex interrelationships among different properties of natural hair fibers and underscores the need for a holistic taxonomy to improve data interpretation across disciplines, but it reports no new experimental results.

This scoping review explores devices that mechanically process lipoaspirate for cell-based therapies but finds insufficient evidence to determine their clinical effectiveness due to lack of standardization and data variability.

This review explores biomaterials in non-viral gene delivery systems and highlights the need for more research to better understand how various parameters affect gene delivery processes, without reporting new experimental results.

This review outlines the role of mechanical forces in the development of sensory organs like eyes and ears, emphasizing insights from recent animal studies and microfabricated organoid systems; it presents no new experimental results.

This review summarizes recent insights into the developmental origin and formation of tissue stem cells across various organs, reporting no new experimental results.

This study reports that dynamic interactions between stem cells and their niche, influenced by macro-environmental factors, regulate regenerative behavior in integument pattern formation.

This review examines diverse regenerative strategies in animals and highlights how biochemical, immunological, and mechanical signals can work together for successful skin regeneration in adult mammals, but it reports no new experimental results.

This review discusses the mechanisms of wound healing and excessive scarring, highlighting the importance of understanding these processes for developing new therapies to prevent fibrotic scarring in large skin wounds.

This study suggests that applying a suspension of adipose-derived cells during hair transplantation may enhance wound healing and promote continued hair growth shortly after the procedure.

In this research, investigators used in vitro models to study the Merkel cell-neurite complex and reported that mechanical stimulation, similar to gentle touch, can induce molecular changes that are potentially relevant to hair growth, thus contributing to the understanding of its underlying mechanisms.

This review explores the biomechanical factors and signaling systems, like Wnt, involved in the pathophysiology of psoriatic nail lesions and reports no new results.

This study identified new geometric and mechanical parameters for curly and kinky/coily hair, which may inform more effective personal care products tailored to these hair types.

This study established an optimal in vitro culture system for fine-wool sheep hair follicle stem cells, finding a combination of two-step enzymatic digestion and mechanical separation to be the most effective method.

This research suggests that geometric classification of hair into fewer groups may be more reliable and useful for studying hair characteristics, rather than racial descriptions, especially in medical and forensic applications.

This report describes ARTAS, a robotic hair transplant technology with advanced mechanical and recognition capabilities, which has gained popularity in China since 2016 due to its ease of use and efficient hair follicle harvesting.

This review highlights the potential of microneedles for immunotherapy, emphasizing their ability to enhance immune responses and reduce side effects through precise and stimuli-responsive delivery, especially in tumor treatment, while also noting the limitations and areas for improvement in current systems.

This study used quantitative methods to identify new geometric and mechanical parameters of curly and kinky/coily hair, aiming to improve classification and develop better personal care products for these hair types.

In this study, 23 patients with androgenetic alopecia were treated with non-activated autologous platelet-rich plasma (A-PRP) administered through interfollicular injections, but the abstract provides no results of the treatment's effectiveness.

This study found that thermoresponsive hydrogels can maintain mechanical memory in fibroblasts, enhancing wound healing compared to traditional trypsinized methods.

In this laboratory study, a novel minoxidil-loaded microneedle patch demonstrated potential for treating alopecia areata by promoting slow drug release and reducing application frequency, while exhibiting antibacterial properties to prevent infection during use.

This study demonstrated how cellular flows and tissue mechanics guide the topological transformations in avian skin, essential for feather follicle development from scales.

This study developed microneedles loaded with Platycladus orientalis leaf extract to treat androgenic alopecia, finding that they can effectively deliver active ingredients into the dermis, promote hair follicle growth by removing free radicals, and activate the Wnt/β-catenin pathway.

In this study, Platycladus orientalis leaf extract loaded into hyaluronic acid microneedles was found to promote hair follicle growth by enhancing the environment for hair cell proliferation and activating repair pathways, suggesting potential as a treatment for androgenic alopecia.

This study aimed to identify new quantitative geometric and mechanical parameters for curly and kinky hair using various microscopy and mechanical analysis methods, revealing correlations between hair fiber geometry and mechanical performance to enhance personal care product development and promote cultural inclusion.

This review discusses the evolution of surgical robotics and examines the potential and current limitations of autonomous and intelligent systems in robotic-assisted surgeries.

The researchers suggest that combining microneedle technology with nanocarriers could enhance drug delivery systems for treating central neurological diseases due to nanoparticles' ability to prolong blood circulation time and improve brain targeting.

This review examines hydrogel microneedles for transdermal drug delivery, discussing their applications and challenges but reports no new clinical results.

This study investigated the use of 3D cell culture technology to explore hair follicle regeneration, examining the impact of the 3D cellular environment on hair follicle morphogenesis and the effects of microwell depth on spheroid formation.

This review discusses alginate-based delivery systems for probiotics, highlighting recent advances, challenges, and future directions, but reports no new clinical findings.

This review highlights how engineered hydrogels can modulate immune niches and serve as in vivo models to study them, noting collaboration is needed to advance therapeutic outcomes.