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This review discusses the challenges and contradictions in understanding nanoparticle penetration and toxicity in human skin, emphasizing the need for standardized testing and further research on particles smaller than 10 nm.

This study found that biodegradable hyperbranched polyesters improved the solubility and loading capacity of hydrophobic drugs, with complete pyrene release achieved in 16 days under enzymatic conditions.

This study reported the successful development of finasteride-loaded poly(lactic-co-glycolic acid) nanoparticles, with varying encapsulation efficiencies, aiming to enhance drug delivery for hair growth while minimizing side effects, and noted that an in vivo study will follow to assess efficacy.

This review discusses the benefits and applications of microsponges delivery systems in drug delivery, particularly for topical treatments, and reports no new clinical findings.

This review discusses recent advances in hair regeneration therapies, highlighting the potential of nanotechnology and pluripotent stem cells, and reports no new results, emphasizing the need for further research.

This article discusses how challenges in drug development and success rates are driving a shift in the pharmaceutical industry towards engineering targeted drug delivery systems, with nanomaterials offering potential solutions for selective therapeutic delivery.

This study found that finasteride- and dutasteride-loaded iron oxide nanoparticles improved drug penetration in the skin, suggesting they may be promising for topical alopecia therapies.

This review examines recent advancements in electrospun nanofibers for wound healing applications, but reports no new experimental results, highlighting their potential in sutures, dressings, and skin regeneration.

This review covers recent developments in materials for in vitro and in vivo stem cell manipulation, highlighting innovative substrate properties but does not report new experimental results.

In this study, researchers reviewed recent advances in using nanoencapsulation technology to improve the pharmacological treatment of alopecia, suggesting its potential to enhance drug delivery and reduce adverse effects compared to conventional methods.

This review discusses the potential of follicular drug delivery systems to target the pilosebaceous unit and reports no new research findings.

This review highlights the hair follicle's structural and functional properties as an effective route for delivering active compounds in treating hair disorders, focusing on emerging carrier technologies to enhance targeted transfollicular delivery.

This study found that finasteride- and minoxidil-loaded nanoparticles in a gel improved skin permeability and drug retention, suggesting a promising approach for topical alopecia treatment with reduced dosing frequency and side effects.

This review discusses recent advances in skin penetration mechanisms, specifically focusing on the enhanced understanding of the follicular pathway and its implications for transdermal therapies, immune system targeting, and nanoparticle safety.

Nanocarriers could improve how drugs are delivered through the skin but require more research to overcome challenges and ensure safety.

This study suggests that polymersomes decorated with chitosan improve the transdermal delivery of finasteride, providing an alternative drug delivery system with higher drug retention in the skin.

This review paper highlights that titanium dioxide nanoparticles (TiO2 NPs), due to their biological properties like antioxidant, anti-inflammatory, and antimicrobial effects, show promise in accelerating wound healing and enhancing tissue regeneration when used in scaffolds and dressings.

This study found that hollow polydopamine nanoparticles enhanced the regenerative potency of the peptide RL-QN15, suggesting potential for improved therapeutic approaches in skin wound healing.

This review discusses recent advances in developmental tissue engineering for regenerating ectodermal appendages like teeth and glands, emphasizing biomaterial selection and cell culture strategies, but reports no new experimental results.

This study reported that solid lipid nanoparticles of finasteride decorated with chitosan enhanced drug retention in skin layers, suggesting potential application in treating androgenic alopecia and benign prostate hyperplasia with fewer side effects.

In this study, a metformin-loaded rosemary-based nanoemulgel was found to significantly enhance hair follicle growth in rats, suggesting its potential as a new treatment for androgenetic alopecia due to its promising physicochemical properties and controlled drug release.

This review explores the potential of metal nanoparticles as innovative treatments for alopecia, highlighting their effectiveness in promoting hair regrowth, enhancing drug delivery, and modulating gene expression while also assessing the related experimental methodologies and regulatory considerations.

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

This study found that urchin-like Ag–Au bimetallic and Ag nanoparticle-decorated PAN mats showed significant antibacterial effects and potential for wound healing in in vitro and in vivo animal models.

This study demonstrated that human hair can be coated with Fe3O4 nanoparticles, allowing it to be oriented and moved by a magnetic field, which may enhance drug delivery and hair care applications.

In this study, researchers synthesized biomedical polyurethanes incorporating curcumin and varying PEG content to enhance water solubility and control curcumin release, finding that higher PEG content improved hydrophilicity, swelling, and degradation, while maintaining excellent antioxidant and antibacterial activities, suggesting promise for biomedical applications.

This study found that HFV70 cryogels, made from Flammulina velutipes extract and hydroxyethyl cellulose, effectively promoted rapid hemostasis and tissue regeneration in full-thickness skin defects in rats, demonstrating improved hemocompatibility, cytocompatibility, antimicrobial, and antioxidant properties.

This study investigated bilayer wound dressings incorporating snail secretions into chitosan matrices, finding enhanced skin cell attachment, proliferation, and antimicrobial properties, suggesting potential for skin regeneration and wound healing.

This review discusses the role of phytochemical nanoparticles in cervical cancer therapy and reports no new clinical results; the authors highlight their potential advantages over conventional chemotherapy.

This review discusses recent advancements in formulating electrospun nanofibers as wound dressings, emphasizing their advantages in incorporating bioagents for improved healing, but reports no new clinical results.