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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.

This study presents a modified method for synthesizing ~1 nm zinc oxide nanoparticles within the pores of SBA-11, maintaining the mesoporous structure without requiring alcohol reflux or basic solution reaction steps.

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 review classifies engineered nanomaterials by composition and application in biomedicine, highlighting diverse uses like regenerative medicine and potential occupational side effects, but reports no new clinical results.

This review discusses the applications and advantages of LED-based photobiomodulation therapy for dermatological and cosmetic purposes but highlights existing challenges and health concerns while exploring future perspectives.

This study found that fractional laser treatment significantly enhances the penetration and targeting of certain permeants, such as imiquimod and FD, to skin follicles, but not hydroquinone.

This study found that a nanofiber wound dressing made of CQD/Si NP/SF significantly inhibits bacterial growth and accelerates skin wound healing and hair follicle regeneration in animal models.

This review discusses emerging cancer treatment methods focusing on cellular mechanisms unique to cancer cells and concludes no new clinical results.

This study found that ZnO nanoparticles in topical skin products do not penetrate beyond the outer skin layers in humans, suggesting minimal safety concerns for subdermal absorption.

This study found that PEGylation of nanoparticles enhances their penetration into hair follicles, with higher molecular weight PEG resulting in deeper follicular delivery.

This study reported that zinc oxide nanoparticles synthesized using Tridax procumbens leaf extract demonstrated significant antibacterial and anticancer activity, showing potential for applications in biomedical and pharmaceutical fields.

This study found that Carbon Quantum Dots effectively detected and quantified Co²⁺ ions and methylcobalamin in tap water with high sensitivity and recovery rates between 95% and 105%.

This review describes recent advances in using nanoparticles for drug delivery to hair follicles, with potential applications in treating skin diseases such as alopecia and acne, but reports no new findings.

This study concluded that polymeric nanoparticles effectively targeted hair follicles for drug delivery, but the organogel formulation did not enhance their penetration into the hair shaft.

This review discusses lipid-polymer hybrid nanoparticles for dermatological applications, outlining their structural and formulation advancements, but reports no new clinical results and calls for further research on their therapeutic potential.

This review explores the role of nanotechnology in wound healing, highlighting its potential through antimicrobial properties, selective inflammatory action, angiogenesis promotion, and its use in drug and gene delivery.

This chapter reviews the challenges and future prospects of using nanotechnology and phytochemistry in developing safe, effective, and precision-based therapies for Polycystic Ovary Syndrome, without reporting new clinical findings.

This review discusses various nanoparticles and nanoemulsions being investigated for transdermal drug delivery and reports no clinical results; it highlights potential applications in treating alopecia, wound healing, psoriasis, and melanoma.

This study found that dexamethasone-loaded Eudragit® L 100 nanoparticles displayed controlled drug release depending on pH levels, with minimal toxicity to human fibroblasts.

This study found that minoxidil nanoparticles increased drug delivery to hair follicles and improved hair growth more effectively in mice than conventional minoxidil formulations.

This study demonstrated that a new topical treatment using ketotifen-loaded microneedles, designed for prolonged release, significantly reduced inflammatory markers in an animal model of allergic conjunctivitis, suggesting enhanced therapeutic delivery and sustained ocular benefits.

Nanoparticles can be used to deliver drugs to hair follicles, potentially improving treatments for conditions like acne and alopecia, and could also be used for vaccine delivery and gene therapy.

This review discusses the integration of nanoparticles with microneedles to improve drug delivery through enhanced stability, bioavailability, and controlled release, noting ongoing challenges with stability, scalability, and safety.

This review discusses various nanocarriers for gene and genome editing therapies, highlighting that ionizable lipid nanoparticles show advanced delivery performance, while emerging polymer-based and exosome-inspired carriers are rapidly advancing for targeted applications.

In this study, zinc oxide nanoparticles were synthesized using a sustainable method from the Lepidium sativum L. plant, and incorporating these nanoparticles into Sunblock Lotion significantly increased its sun protection factor.

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 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 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.

This review discusses the use of cosmetic nanocarriers to improve hair appearance and reports no new experimental results.

This review discusses the mechanisms and storage of particles in hair follicles and presents no new experimental results, highlighting the need for further research in their safe application in dermatology and cosmetics.