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This review explores the formulation, characterization, and applications of microemulsions, highlighting their potential for enhanced cutaneous drug delivery by improving bioavailability and enabling sustained release of both hydrophilic and hydrophobic drugs.

This study developed a Neusilin® US2-based solid self-nanoemulsifying drug delivery system for finasteride that showed improved stability and drug delivery, with complete dissolution comparable to standard Propecia® tablets.

This study found that clove oil nanoemulsion hair serum effectively promoted hair growth, suggesting it may be a potential treatment for alopecia areata.

In this study, a nanoemulsion containing lavender, peppermint, and rosemary essential oils was developed and shown to promote hair growth in mice at a rate comparable to 2% topical minoxidil, suggesting a promising natural alternative due to its antioxidant and anti-inflammatory effects.

This study reported that newly developed minoxidil Pickering emulsion gels, designed using cellulose stabilizers, showed promising results for promoting hair regrowth and targeting hair follicles by enhancing the delivery and stabilization properties of the formulation in a hair loss treatment context.

In this study, researchers evaluated different formulations of a nanoemulsion combining candlenut oil and virgin coconut oil on male rats and found that a 1:3 ratio yielded significant hair growth results, with an average hair length of 17.14 mm and a weight of 699.37 mg.

In this study, a nanoemulsion containing Lavender, Peppermint, and Rosemary oils significantly promoted hair growth in C57BL/6 mice, showing effects comparable to 2% minoxidil, following formula optimization and ex vivo skin permeation testing.

This study observed that, in mouse ear epidermal stem cells, a cell-autonomous size control mechanism involving the RB pathway dictates S phase entry timing based on cell size, despite external environmental variations affecting growth rates.

This study observed that different alkaline buffers had a significant impact on the volume of liquid consumed by fall armyworm larvae, emphasizing the importance of measuring imbibed volumes to reduce dose errors in bioassays.

This review discusses recent advances in droplet microfluidics for chip-based technologies such as single-cell analysis, small-scale cell cultures, and high-throughput drug screening, and it reports no new results.

This review outlines recent advancements in droplet-based microfluidics used with food-grade materials to create delivery systems, emphasizing the design and function of systems like emulsions and microcapsules while discussing challenges related to scaling these processes from lab to industry.

This study evaluated a menthol-based microemulsion for transdermal delivery of finasteride and silodosin, finding that it enhanced skin permeation and flux compared to aqueous solutions, suggesting a promising method for managing benign prostatic hyperplasia.

In this study, loading niosomes with Oryza sativa bran extract altered their physical properties, suggesting potential for developing formulations aimed at anti-hair loss products.

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 study found that smaller curcumin nanocrystals (60 nm) enhanced transdermal and transfollicular penetration more effectively than larger sizes, influenced by particle size.

This study found that dutasteride-loaded nanostructured lipid carriers coated with a stearic acid-chitosan oligomer are stable, less cytotoxic, and suitable for topical delivery to promote hair growth.

This study found that asebic mice exhibit abnormal sebaceous gland differentiation and insufficient sebum production due to defective regulation of cell processes, despite possessing normally developing sebaceous glands initially.

This study found that nanoemulsions of different sizes vary in their ability to penetrate skin layers, with smaller sizes aiding transdermal delivery and potential applications in transcutaneous immunization.

This study found that calcium microcapsules exhibited better biocompatibility and cell viability than barium microcapsules for scaffolding in artificial dermal papilla, suggesting potential for developing new hair follicle structures.

This study found that CLD-hFGF2 hydrogels improved healing in deep second-degree burn wounds more effectively than hydrogels alone or direct administration of CLD-hFGF2.

This review discusses the potential applications and advantages of encapsulating single cells for use in therapeutics and diagnostics, while also evaluating various methods for effectively creating and sorting single-cell units despite challenges in production and cost.

This review examines new formulations for delivering 5-α-reductase inhibitors to improve targeted drug delivery in androgenetic alopecia, but reports no new clinical results.

This review discusses the design, properties, and potential applications of smart microneedles, with no new clinical results presented.

This study explored the use of dexamethasone-loaded polymer hybrid nanoparticles in a xanthan gum hydrogel for treating alopecia areata, finding that freeze drying with sucrose influenced particle size, release, and permeation, but had no impact on cytotoxicity or anti-inflammatory efficacy in human keratinocytes.

This study explored a new dutasteride nanocarrier for alopecia therapy, concluding that ingredient concentration is key to achieving the optimal particle size, stability, and skin permeation for extended drug release.

This study optimized efinaconazole spanlastic nanovesicles using risk management and multivariate analysis for potential transungual delivery to treat onychomycosis, achieving improved drug permeability and dissolution efficiency.

This study found that human meibomian glands differ significantly from free and hair-associated sebaceous glands in morphology and lipid composition, making them highly specialized holocrine glands.

This study presents a bioprinter-based method for creating scalable, automated hair-inductive tissue grafts that showed improved hair shaft sprouting in mice by using suture guides to control orientation.

This study observed that a topical liposome formulation of a 5‐α‐reductase inhibitor effectively reduced the size of treated sebaceous glands and induced apoptosis in a hamster model, suggesting potential benefits for acne treatment.

This study suggests that human keratin fiber matrix has a well-defined nano-scale grainy structure rather than being amorphous, with grain size influenced by chemical treatments, temperature, humidity, and follicle-level factors.