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This review highlights recent advances in the design of nanocarrier systems for transdermal drug delivery, detailing their potential to improve treatment precision for dermatologic conditions despite challenges like formulation stability and scalability.

This study found that Coenzyme Q10 delivered through transethosomes improved clinical outcomes for androgenic alopecia patients compared to CoQ10 solution.

The human hair follicle can store topical compounds and be targeted for drug delivery with minimal side effects.

This study discusses the potential of thermoresponsive nanogels for improving dermal delivery of therapeutics, highlighting their ability to enhance skin penetration and control drug release with minimal damage to the skin's natural barrier.

This study reports that novel core-ABS nanocarriers efficiently loaded with dexamethasone and finasteride show potential for dermal drug delivery, exhibiting non-toxic interactions with human keratinocyte cells and skin penetration.

This study found that applying controlled hypobaric stress to the skin significantly improved the in vitro and in vivo penetration of macromolecules, facilitating enhanced drug delivery.

In this study, different treatments on ex vivo skin models effectively simulated varying levels of skin damage, demonstrating the value of these models in testing skin repair products and studying how a compromised skin barrier affects viral penetration.

This study reported that fermented grapeseed oil may enhance hair permeability and improve strength and color retention in chemically treated hair compared to regular grapeseed or silicone oils.

This review highlights that human hair is a valuable biological matrix for clinical and toxicological analyses, demonstrating its applicability in detecting various active substances from different pharmacological classes.

This study used molecular dynamics simulations to illustrate the complex molecular behavior of the hair surface F-layer, highlighting how fatty acids interact with 18-MEA under different conditions.

This study found that novel biodegradable nanocarriers with highly hydrophobic cores significantly increased the solubility and sustained release of hydrophobic drugs and dyes, showing promise for drug delivery applications.

This study demonstrated that urea significantly accelerates the diffusion of poly(ethylene imine) into bleached human hair by increasing the diffusion coefficient twofold.

This study reported the preparation of stable oil-in-water nanoemulsions that effectively incorporate ceramide-like molecules and minoxidil, suggesting these formulations may enhance distribution and availability of hydrophobic compounds in cosmetic applications.

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 utilized advanced imaging techniques to quantify hair damage and dye uptake dynamics, revealing that compound penetration in hair is influenced by molecule size and lipophilicity.

This study used advanced optical imaging techniques to investigate nanoparticle and dye penetration in human skin, finding that nanoparticles mainly resided in the stratum corneum and accumulated in skin folds and hair follicles, while highlighting that sunscreen-based nanoparticles appear unlikely to pose safety concerns.

This review discusses the use of Raman spectroscopy to evaluate drug penetration in alopecia treatments and suggests it may be a promising tool for enhancing the effectiveness of laser-assisted drug delivery.

This review discusses various types of hair dyes, their mechanisms of action, molecular structures, application methods, and formulation aspects, but reports no new research findings.

This article summarizes the properties, synthesis, and biomedical applications of molecules with N-oxide functionalities, emphasizing their growing role in healthcare due to their unique properties, such as water solubility and redox reactivity, crucial for drug targeting and cytotoxicity.

The researchers reported that adding specific combinations of hydrolyzed proteins to silicone-free shampoo improved hair conditioning properties by reducing friction and increasing surface adsorption and penetration into hair, compared to protein-free alternatives.

In this study, researchers developed a delivery system using a deep eutectic solvent to improve hydroxytyrosol absorption for hair regrowth, achieving over threefold greater skin penetration compared to aqueous solutions and demonstrating its effectiveness and biocompatibility in hair regrowth and ROS-scavenging tests.

This review examines ultrasound-assisted and laser-based transdermal drug delivery technologies, highlighting their success in enhancing drug penetration through the skin but also noting challenges such as parameter optimization, potential skin irritation, and high equipment costs.

In this study, researchers developed a niosomal gel system for transdermal delivery of testosterone, reporting strong penetrative capability, good spreadability, and a promising in vitro drug release profile, suggesting it may be an effective alternative for reducing the side effects of steroid treatments.

This study found that MPEG-dihexPLA micelles significantly improved the skin deposition of tacrolimus compared to a marketed ointment, suggesting better targeted delivery with reduced systemic absorption.

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 3-aminopropyltriethoxysilane penetrates hair fibers and improves the mechanical resistance of dry hair, addressing the needs for increased body in fine hair.

This study found that using a combination of iontophoresis and liposomal delivery facilitated the effective intradermal administration of superoxide dismutase in rats, reducing oxidative skin damage from UV exposure.

This review discusses the use of ablative and nonablative fractional resurfacing for enhanced topical drug delivery in dermatology and reports no new clinical results; further studies are needed to explore these methods.

This paper reviews strategies to enhance the effectiveness of topical drug delivery by addressing skin barrier challenges, optimizing drug delivery systems, and personalizing treatment approaches, highlighting both current advancements and limitations in the field.

This review discusses recent advancements in cutaneous drug delivery technologies and the potential of transfollicular pathways for improved treatment of skin conditions, but reports no clinical results.