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This chapter reviews formulation principles for creating cosmetic nanoemulsions and applications targeting skin and hair care, but does not present new experimental results.

This article describes the synthesis of novel polyamine-modified minoxidil analogs and conjugates to potentially enhance minoxidil's biological activity, selectivity, and water solubility, but reports no new biological results.

This review examines the use of microneedles for treating alopecia areata, highlighting their ability to enhance drug delivery through the skin by bypassing the outer barrier and promoting hair growth with minimal invasiveness.

This review discusses recent advances in polydopamine-based biomaterials and their growing potential in personalized medicine, but reports no new experimental results; the authors highlight both opportunities and challenges for future applications.

This study found that coated microneedles promoted drug release effectively, comparable to marketed minoxidil solutions, with stable performance over 30 days at high temperatures.

This study developed two types of polymeric nanoparticles containing clindamycin phosphate for potential topical acne treatment and found that the NP-AH-CDM-4 formulation preferentially penetrated hair follicles even with sebaceous obstruction, suggesting its promise for more effective acne therapy without causing skin irritation.

This article proposes using the hallmarks of ageing and dysregulated microRNAs to create a molecular morbidity score that could improve prognostication and clinical trial inclusion for patients with multimorbidity.

This study reported a green synthesis method for copper oxide nanoparticles using pumpkin seed extract, achieving significant antibacterial activity against Bacillus subtilis and moderate cytotoxic effects against certain cancer cell lines, indicating potential biomedical applications for these eco-friendly nanomaterials.

This study found that cholesterol- and phospholipid-free multilamellar niosomes improved skin deposition and targeted deeper hair follicles better than hydrophobic PLGA nanoparticles for transdermal drug delivery.

This review discusses how polymer- and lipid-based nanostructures can enhance wound healing by addressing issues like microbial contamination and inflammation, though it reports no new clinical results.

This study found that a microneedle system delivering VEGF and Ritlecitinib improved hair regeneration in mice with androgenetic alopecia, showing faster anagen onset and better hair quality compared to minoxidil.

This article reviews recent developments in microneedles combining metallic elements and herbal compounds for wound healing, highlighting their benefits such as enhanced therapeutic efficacy and reduced toxicity, and offering a reference for future advancements in this technology.

In this study, researchers developed a biodegradable microneedle made of hyaluronic acid, intended to enhance drug delivery through the skin's stratum corneum and potentially promote hair growth by overcoming the skin's barrier function in alopecia treatment.

This review discusses various nanoparticles used to enhance skin permeation and target delivery to skin organelles, but reports no new experimental results.

This article explores the integration of nanotechnology and cosmetics, highlighting the development of cosmeceuticals targeting issues such as wrinkling, hyperpigmentation, and skin dehydration, while also reviewing cosmetic history and types of nanotechnology by particle size.

This review discusses hydrogel-forming microneedles for non-invasive drug delivery in dermatology and reports no new clinical results, emphasizing their promise in improving treatment adherence and patient comfort.

This commentary reviews the evidence for microinflammation's role in pattern hair loss and suggests that further studies with age- and sex-matched controls are needed to substantiate the findings.

In this study, silver nanoparticles were found to penetrate porcine skin to depths ranging from 11.1 μm to 15.6 μm, potentially surpassing the stratum corneum thickness.

This review explores the use of topical and transdermal delivery for drugs and cosmetics, highlighting the benefits of avoiding side effects and rapid metabolism, with a focus on nanoparticulate formulations and techniques for studying skin penetration.

PLGA-based microneedles show promise for painless, long-term drug delivery but need design and safety improvements.

This chapter reviews nanotechnology in cosmetics, detailing various formulations, performance assessment methods, and evolving regulations, while discussing safety, stability, and effectiveness concerns; it reports no new experimental results.

This review discusses skin tissue engineering and highlights the potential role of microRNAs in improving bioengineered skin equivalents, concluding that further exploration of microRNA targets could address unmet clinical needs.

This study observed that dissolving microneedles made from PVP-K90 and HPMC E50, incorporating Oryza sativa L. extract complex, showed enhanced transfollicular skin penetration and maintained safety for keratinocytes, with the P25H5 formulation demonstrating faster dissolution and greater effectiveness.

This comprehensive guide from nanotechsci.com explores how nanocrystal technology enhances the bioavailability of poorly water-soluble pharmaceuticals, detailing the science behind crystallization and practical synthesis techniques, and discussing their advanced drug delivery applications across various routes.

This study fabricated a polyamide fiber containing amber particles and characterized its potential for textile applications, noting that the chemical structure of amber remained unchanged after grinding and integration.

This study found that the developed hydrogel nanoparticles showed potential for enhancing hair growth by effectively delivering and releasing hair growth-promoting herbal extracts into hair follicles.