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This study found that alkali bromide solutions are absorbed into hair depending on salt activity, and the presence of the salt increases water absorption compared to normal conditions.

This study discusses the effects of incorporating various amino acids in hair care products, noting improvements in hair surface properties and color retention when integrated with conditioners.

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 explored the potential of human hair keratin as a filtration material, finding that it may effectively absorb the pollutants diclofenac and perfluorobutanesulfonate. The researchers reported significant binding affinities through molecular simulations, supporting further investigation into keratin's use for water purification.

In this study, researchers developed a new sodium alginate/chitosan/Zn2+ hydrogel that showed improved physical properties, antibacterial activity, and biocompatibility, and demonstrated enhanced wound healing and skin regeneration in an in vitro model.

This study suggests that the curly hair phenotype in Mangalitza pigs may involve complex gene interactions related to calcium signaling and lipid metabolism, rather than changes in TRPM2 or CYP4F3 expression.

This study found that the uptake of molecules by hair is influenced by both hydrophobic and ionic charge interactions, with binding affinity decreasing as pH approaches the solute's dissociation constant.

This review presents the practice of using hair bioelement analysis to assess nutritional status or environmental exposure, proposing complex interactions and hypotheses regarding depression and autism but reports no new clinical results.

This review highlights that hair's chemical bonds, particularly disulfide bonds, are not homogeneous, as previously thought, but instead vary in response to different cosmetic treatments, suggesting a need for further exploration of ionic bonds and hydrophobic interactions.

This study found that nanoparticles developed with minoxidil-loaded thiolated β-cyclodextrins showed improved drug retention on hair surfaces and did not cause skin irritation in rabbits, suggesting potential for topical scalp disease treatment.

This study found that hinokitiol in cationic vesicles promoted hair growth in mice, potentially due to its high substantivity on the skin.

This review reported that while glycyl-L-histidyl-L-lysine tripeptide copper complex (GHK–Cu) has limited skin permeation when used alone, liposomes may enhance its absorption, but there is limited research on this aspect, highlighting a need for further studies.

This study found that the nonionic surfactant Brij 78 stabilized cationic minoxidil microparticles against aggregation, maintaining their substantivity in the presence of excess anionic surfactant.

This study concluded that bleach treatment partly transforms the hydrophobic top layer of human hair cuticles into a hydrophilic surface with clustered cysteic acid, visualized at the nano-scale using dynamic Chemical Force Microscopy.

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.

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

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

T cells and bacteria in the gut and skin help maintain health and protect against disease.

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 study found that hair absorbs significant amounts of NaBr from solution, with absorption increasing linearly with solution concentration and additional effects noted with acidic or basic solutions.

This review updates on the development of liposomal carriers for delivering growth factors to improve tissue regeneration and highlights recent efforts to enhance their stability and retention in tissues.

This study found that 1-butyl-3-methylimidazolium tetrafluoroborate is the optimal ionic liquid solvent for extracting quercetin from Nothopanax scutellarium leaves.

This review suggests that although hydrolyzed collagen peptides with certain supplements may improve skin elasticity and joint function, evidence for collagen's anti-aging and regenerative benefits remains inconsistent.

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.

This chapter provides an overview of the complex chemical and physical structure of the hair surface, detailing how factors like ethnicity, environmental stress, and cosmetic treatments can alter its properties and influence the adhesion of hair care products.

The researchers reported that a newly developed ionic liquid-based microemulsion significantly improved the local delivery of copper peptides in mice, enhancing hair growth-related factor activation while offering a safer, non-invasive alternative to existing treatments for hair loss.

This study demonstrated that cryogelation of human hair keratin allows the development of 3D scaffolds with tunable properties, supporting cell adhesion and proliferation for potential biomedical applications.

This study found that dimethylpabamidopropyl laurdimonium tosylate, a quaternary ammonium surfactant, adsorbs onto human scalp hair with kinetic and isotherm behaviors fitting specific models, changing hair fiber wettability from hydrophobic to hydrophilic.

This study found that finasteride- and minoxidil-loaded nanoparticles in a gel improved skin permeability and drug retention, suggesting a promising approach for topical alopecia treatment with reduced dosing frequency and side effects.

This article reviews EU cosmetic product claim regulations and highlights increased harmonization and enforcement while reporting no new results.