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This study found that particle affinity was stronger on healthy hair compared to damaged hair, with the deposition influenced predominantly by hydrogen bonding and electrostatic attraction, while larger particles had poorer deposition.

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 observed that including cationic minoxidil particles in a shampoo facilitated notable hair growth promotion despite a negative surface charge after rinsing, likely due to ionic interactions with the skin.

This study uses cryo-electron microscopy to reveal how androgen receptor forms a non-obligate dimer to bind DNA, with implications for prostate cancer development.

This study found that nanodiamonds of various sizes can penetrate different layers of murine skin in vitro, reaching hair follicle niches, and may be suitable for multimodal imaging applications.

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 chapter reviews surface plasmon resonance (SPR) methodology and its applications in basic science and human disease without reporting new clinical results.

Hair fibers interact through classical forces, which are influenced by treatments and products, important for hair care and other applications.

This study developed lipid-core nanocapsules for encapsulating menthol, improving its solubility and thermal stability, and demonstrated their safety and rapid skin absorption in ex vivo tests, highlighting potential applications for cosmeceuticals.

This study found that Sol/ASC-DP nanoparticles could enhance the skin permeability of minoxidil due to improved stability and hydrophobic interactions in the nanoparticle structure.

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 review article highlights how hair follicle-targeting drug delivery systems enhance therapeutic outcomes and reduce side effects for treating conditions like androgenetic alopecia and acne vulgaris. The authors discuss current formulations and evaluate their performance in both preclinical and clinical settings.

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 study found that finasteride-loaded microemulsions using poloxamer 124 significantly enhanced skin penetration of the drug compared to a standard solution, primarily through targeting hair follicles via the transfollicular pathway, with intercluster, intercellular, and transcellular pathways contributing less.

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 study concluded that combining cyanoacrylate skin surface stripping with particle-based antigen delivery effectively targets HIV-1 p24 protein to skin cells, supporting its potential for needle-free transcutaneous vaccination.

This review found that exposure to pollutants like PM, NOx, and PAHs is linked to various skin and hair disorders, indicating a need for cosmetics with natural adsorbents to reduce pollutant effects, achieving 30-55% removal efficiency.

This study highlights the role of platelets in immune interactions and severe adenovirus infection, noting that activated platelets have a shorter lifespan. Results suggest potential for developing therapies targeting platelet senescence and immunologic mechanisms.

This review discusses the potential for surface-modified nanostructured lipid carriers to enhance hair regrowth by improving drug absorption and stability, focusing on their use with agents like minoxidil and finasteride for hair loss treatment.

This study found that keratin-based particles were able to recover and enhance the mechanical properties and thermal stability of virgin and overbleached Asian hair, improving its strength and smoothness by around 40%, and demonstrated safety in human skin keratinocytes.

This study found that Na CMC hydrogel loaded with PEG-coated silver nanoparticles demonstrated superior antibacterial and wound-healing efficacy compared to commercial silver sulfadiazine cream in a wound-healing model.

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 potential of follicular drug delivery systems to target the pilosebaceous unit and reports no new research findings.

Using a CO₂ laser for hair transplants improves the surgery and may become important in future hair restoration.

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

This paper critically reviews recent advances in the use of keratin-based biomaterials, highlighting their potential applications in wound healing, drug delivery, and tissue regeneration due to their biocompatibility, biodegradability, and ability to support cell growth.

This study reports the development of a natural hair-coloring system using size-controlled ink particles from cuttlefish ink combined with chitosan, achieving darker and more uniform black coloration on hair than existing plant-based natural colorants, without the need for metallic mordants.

This study investigated spanlastic nanovascular drug delivery systems and found that they can effectively enhance the transport and continuous release of medicines with small particle size, low polydispersity index, and satisfactory entrapment efficiency, showing potential as carriers for drug delivery.

This study found that cationic vesicles enhanced minoxidil skin retention and in vivo hair growth efficacy compared to other formulation types due to electrostatic interactions with the skin.

This study introduced a rapid rehydration approach for creating customizable, multifunctional hydrogel sensors, enabling precise detection of surface deformations and easy integration of layers, highlighting its potential for standardized and adaptable manufacturing of wearable devices.