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This article reviews the advantages of emulgel as a topical drug delivery system for hydrophobic drugs but provides no new findings.

This study found that water-filtered infrared A radiation can induce the release of a model drug from gold nanoparticle-doped particles in hair follicles in an ex vivo porcine skin model, suggesting feasibility for follicular drug delivery systems.

This review discusses the possible materials used in subcutaneous injections for alopecia, but it reports no new clinical results and highlights the need for further research.

This review highlights recent advancements in microneedle technology, noting its ability to enhance transdermal drug delivery, biosensing, cancer treatment, and skin disease repair, while emphasizing its potential for improving patient compliance and reducing side effects.

This study demonstrated that in vitro pig ear models effectively predict human follicular uptake of nanoparticles for potential transfollicular vaccination, but massage did not enhance nanoparticle penetration.

This review examines the role of cyclodextrins in improving the solubility, stability, and bioavailability of steroid drugs but does not report new experimental findings.

RADA16-I can effectively deliver and release mangiferin, improving its solubility and bioavailability.

This study highlights that niosomes, or non-ionic surfactant based vesicles, offer an advantageous drug delivery system due to their stability, cost-effectiveness, and ability to enhance drug bioavailability and targeting efficiency for various therapeutic agents.

This research found that liquid-state liposomes and niosomes may enhance finasteride delivery to pilosebaceous units in hamsters more effectively than gel-state vesicles or hydroalcoholic solution.

This study found that hair implant needles with longer point lengths and smaller bevel angles required less total work for insertion, which corresponded with surgeons' perceptions of insertion force differences.

This review examines the role of hair follicles and sebaceous glands in percutaneous drug delivery but does not report new clinical results; it calls for further exploration of follicle-targeting therapies.

This report discusses the FDA's third denial of approval for Aveed, a long-acting testosterone injection by Endo Pharmaceuticals, citing continued safety concerns including severe side effects.

This study found that both intradermal injection and derma roller techniques for QR678Neo® hair regrowth therapy improved androgenetic alopecia symptoms, with intradermal injections showing non-significantly better video-microscopic outcomes but more pain and erythema associated with derma rollers.

This study developed and tested Bicalutamide-loaded lipid vesicles in dissolving microarray patches for topical application, finding that they effectively deliver Bicalutamide through murine skin while maintaining a favorable safety profile, suggesting potential to improve treatments for androgenetic alopecia.

In this study, penetration of FA-PLGA nanoparticles into hair follicles was observed in excised dog, rat, and porcine skin, with the deepest penetration in porcine skin, suggesting its similarity to human skin for drug delivery studies.

In this study, FITC-labeled BSA nanocarriers delivered a model drug deeper into porcine ear skin hair follicles than the carriers themselves, as shown by confocal microscopy.

This review discusses best practices for minimizing complications with dermal fillers and provides guidance based on expert consensus, yet it reports no new clinical results.

In this study, subcutaneous injections of epinephrine in rats led to skin changes ranging from hair loss to necrosis, suggesting these effects were due to the epinephrine itself.

In this experimental study, researchers found that intravitreal injections of up to 100μg of topotecan in rabbits caused no systemic or ocular toxicity, while 200μg doses resulted in localized retinal changes and decreased electroretinography amplitudes near the injection site.

This study found that using short durations of heat with chemical penetration enhancers improved isotretinoin delivery to human skin, especially via the hair follicles.

This study found that forming solid dispersions and inclusion complexes of finasteride significantly increased its solubility compared to its pure form.

Liposomes with certain properties can effectively deliver drugs deep into hair follicles.

This study found that IMT-P8, a novel cell-penetrating peptide, effectively facilitated the dermal delivery of proteins and peptides in mouse skin and cell lines, suggesting potential for topical applications in cosmetics and skin diseases.

In this case report, a 35-year-old man developed avascular necrosis after receiving intradermal corticosteroid injections for alopecia areata, marking the first documented instance of this side effect from such treatment.

This study evaluated the learning curve for using the Hair Implanter Pen, finding it to be operator dependent.

This study demonstrated that transcutaneous vaccination via cyanoacrylate skin surface stripping effectively induced both CD4 and CD8 T cell responses in humans, offering a promising alternative to intramuscular injection.

This review article highlights recent advances in microneedle technology for wound healing and tissue regeneration, discussing various cargo types, structural designs, and fabrication methods, and suggesting guidelines for designing microneedle systems tailored to specific applications.

This study found that human skin with hair follicles and sebaceous glands absorbed significantly more steroids than scar skin without these appendages, indicating their role in steroid penetration.

The study found that cyproterone acetate could be released over 15 days using coconut oil mixed with certain wax inhibitors, though further safety studies are needed.