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This study found that Finasteride may spontaneously diffuse into an SDS-based model cell membrane at a significant rate, with distinct behavior in polar and non-polar solutions.

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 study demonstrated that dyeing can enhance the absorption coefficient of hair follicle tissues for selective photodestruction within human skin and hair follicles.

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

In this study, researchers developed a method using stencils to create controlled stiffness gradients in alginate hydrogels, revealing that stiffer regions within the gels promote deeper invasion by breast cancer cells, facilitating the study of mechanosensitive cellular behaviors.

This study's molecular dynamics simulations suggest that electrostatic interactions mainly stabilize peptide binding to human hair keratin, with the protein's dielectric constant significantly affecting free energy calculations.

This study found that sebaceous glands in bald scalp have greater androgen binding affinity and capacity than those in hairy scalp, possibly contributing to the androgenic response seen in male pattern baldness.

This study presented a new two-dimensional model that successfully predicts transdermal permeation of caffeine, highlighting the significant role of the follicular pathway in increasing systemic bioavailability.

This study found that excipients significantly influence the effectiveness of curcumin nanocrystals in dermal applications, enhancing or hindering hair follicle targeting and passive diffusion based on their selection.

This study found that African and Caucasian hair contain the most lipids, and depletion of these lipids leads to less water retention and increased water desorption, with Caucasian hair showing improved breaking tenacity after lipid extraction.

This study found that diffusion coefficients of chemicals in artificial sebum are significantly higher than those in stratum corneum lipids, suggesting the hair follicle may significantly contribute to transdermal permeation.

In this study, the authors found that applying hypobaric pressure to the skin significantly increases the transdermal permeation of large molecules by enhancing diffusion, despite the associated skin stretching and hair follicle enlargement not fully explaining this effect.

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 shows that BMP2 and BMP7 play complex, necessary roles in feather development by regulating dermal condensation formation, with BMP7 acting early as a chemoattractant and BMP2 halting cell migration.

This article discusses the development of skin patterns during embryogenesis and postnatal life, linking them to genetic, environmental, and mathematical factors, but presents no new empirical findings.

This review compares animal and human skin characteristics in in vitro permeation studies but reports no new results, highlighting variations and the need for better model correlations.

This research found that feather pattern formation in birds is regulated by a mechanochemical system involving fibroblast growth factor and bone morphogenetic protein signaling, which is altered in the flightless emu and ostrich.

This study found that commercially available dyes penetrate up to 1.2 mm into human skin, with Indocyanine Green binding to cell proteins and showing a shift in absorption peak.

In this study, extracting internal lipids from Caucasian hair fibers led to decreased water permeability, influenced by the fluidity of lipids.

This review discusses how recent studies use models and experiments to understand immune system signaling, but it reports no new clinical findings; the authors suggest strategies for improving these models.

This study reports that dynamic interactions between stem cells and their niche, influenced by macro-environmental factors, regulate regenerative behavior in integument pattern formation.

This review explores the potential genetic and epigenetic influences on hair whorl patterns and suggests that pattern formation may involve basic physical-chemical laws, although it reports no new experimental findings.

This article reviews the generation of complex integument patterns through genetic, chemical, and environmental influences, with applications in tissue engineering, but reports no new experimental results.

In this study, the release rate of Finasteride from Eudragit matrix tablets was found to be significantly influenced by the drug/Eudragit ratio and polymer viscosity, with formulation F9 being the most effective.

Reducing CD8+ T cell growth can stabilize alopecia areata.

This review explores the use of topical and transdermal delivery for drugs and cosmetics, highlighting the benefits of avoiding side effects and rapid metabolism, with a focus on nanoparticulate formulations and techniques for studying skin penetration.

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, the researchers developed and optimized a bilayer tablet containing Tamsulosin and Finasteride, achieving sustained and immediate drug release with favorable release kinetics, including first-order and anomalous diffusion mechanisms, through in vitro testing.

In this study, researchers found that the lipid composition in hair significantly affects water diffusion and may explain differences in dyeing and cosmetic treatment responses between Asian and European hair, with CP2 fibers having more lipids than CP3 fibers.

This systematic review indicates that a platelet-rich plasma concentration of 1.0 × 10^6 plt/μL may be optimal for tissue regeneration due to sufficient nutrition supply and effective growth factor diffusion in vivo.