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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.

This study demonstrated that using finasteride impurity as a non-isotopically labeled internal standard in paper spray ionization–mass spectrometry can effectively and efficiently measure finasteride tablet dissolution, achieving results comparable to high-performance liquid chromatography.

This study reports the development of a fluorescent ionic liquid that shows high sensitivity and selectivity for detecting dextran sulfate sodium, with potential applications in clinical diagnostics and environmental monitoring.

This study introduced a Density-Calibrated Airtouch Protocol (DCAP) that suggests customizing the Airtouch hair coloring technique based on client hair density to optimize color blend, pigment longevity, and hair health.

This review discusses applications of light diffraction in healthcare, highlighting its use in LASIK procedures, optogenetics, and measuring hair diameter, but reports no new results.

This study found that the cyanoacrylate biopsy method could effectively evaluate drug distribution in hair follicles, suggesting its potential utility for assessing topically applied chemicals targeting hair follicles.

This study found that the combination of mammography and hair X-ray diffraction increased sensitivity for detecting breast cancer compared to using each method alone.

This study evaluated the antimicrobial activity of a newly synthesized fluoroquinolone against Staphylococcus, Streptococcus, and Escherichia coli strains. The researchers compared results from the microdilution technique and agar disk diffusion method to EUCAST's recommended breakpoint values, building on promising in silico molecular docking tests.

This in vitro study found that opiate diffusion was more pronounced in damaged hair fibers than in undamaged ones, with high opiate concentrations detected in fiber centerpieces.

This paper details a method for measuring testosterone metabolism into seven androgens using digital autoradiography, which offers high sensitivity and reduces the need for radioactive materials.

This study found that increasing a drug's lipophilicity and adding ethanol to the donor phase can enhance its delivery to the hair follicle, although the precise transport mechanism remains unclear.

This study found that digital droplet PCR (ddPCR) outperformed qPCR in detecting replication competent lentivirus in CAR-T products by offering better sensitivity, specificity, and reproducibility, making it a reliable and rapid method for ensuring patient safety.

New, cheaper method measures finasteride in tablets accurately and quickly.

This study presents three spectrophotometric methods for determining finasteride in bulk and tablet forms, showing a linear relationship between absorbance and finasteride concentration.

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 examines physical methods like electron paramagnetic resonance spectroscopy, Raman spectroscopy, and differential scanning calorimetry, highlighting their complementary capabilities in analyzing biomolecular structures and mycobacterial interactions with reactive oxygen species and antioxidants.

This study presented a new method for accurately measuring Fe³⁺ in small serum samples, achieving high recovery rates and agreement with established testing methods, while offering advantages such as cost-effectiveness, simplicity, and enhanced sensitivity.

This study developed a new quantitative method to measure skin cell turnover in just 4 days, showing it can effectively differentiate skincare product performance and revealing that turnover slows with age but responds more to treatments as people get older.

In this study, FITC-labeled BSA nanocarriers delivered a model drug deeper into porcine ear skin hair follicles than the carriers themselves, as shown by confocal microscopy.

This study found that the observed isotropic ss-ECD spectrum of finasteride is influenced by the anisotropy of locally oriented crystals, offering new possibilities for analyzing solid-state chiral materials.

This study found that the ethanol patch test effectively indicates the ALDH phenotype in healthy Japanese individuals, suggesting its usefulness for future research.

In this study, the researchers observed that the transdermal permeation mechanisms of diclofenac salts differ based on counterions, with varying pathways and routes for passive and iontophoretic transport.

This study used novel methods to detect and map iodine concentrations in pig skin, finding iodine present in the coating, stratum corneum, and tissue around hair follicles.

Accurate method measures finasteride levels in human plasma using gas chromatography-mass spectrometry.

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.

This study developed three spectrophotometric methods to effectively measure finasteride in bulk and tablet forms, providing accurate results that align closely with labeled claims.

This study extended a skin diffusion model to include a porous pathway, effectively explaining the permeability of both polar and lipophilic solutes through the stratum corneum.

This study describes a capillary GC method for accurately measuring spermidine levels in hair lotions, confirming its precision and specificity for this application.