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This study developed a rapid, precise, and specific chromatographic method to measure alpha-tocopheryl nicotinate in cosmetics, using alpha-tocopheryl acetate as an internal standard.

This study found that arylsulfatase enzymes in hair follicles can convert the active form of minoxidil back to its inactive form, potentially affecting its effectiveness in treating androgenetic alopecia.

In this study, researchers developed a sensitive assay to measure the inhibition of steroid 5-α reductase (5AR) by chemicals like finasteride and dutasteride, revealing species-specific differences in inhibitor efficacy between human and fish cell lines.

Researchers created a reliable method to measure dexpanthenol and resorcinol in hair products.

This study introduced a method to isolate and separate microfibrillar proteins from human hair, identifying previously undetected glycine- and tyrosine-rich proteins.

This study developed a new measurement procedure using isotope dilution-liquid chromatography-tandem mass spectrometry for accurate quantification of DHEAS in human serum or plasma, demonstrating high selectivity, sensitivity, and low measurement uncertainty, making it suitable for routine standardization and clinical evaluation.

This study concluded that two different pharmaceutical formulations of finasteride were bioequivalent in terms of rate and extent of absorption based on pharmacokinetic evaluations in a randomized crossover study with 38 volunteers.

This study developed a fast and sensitive ultra-high performance liquid chromatography method to quantify ketoconazole in antidandruff emulsions, showing comparable results to labeled concentrations.

This study developed a sensitive HPLC-MS/MS method for determining cyproterone acetate levels in human plasma and found no significant difference in its concentration between two oral formulations in bioequivalence testing.

In this study, Chinese Herbal Hair Renewal Liquid significantly improved microcirculation disturbance in mice's auricles induced by adrenaline compared with 75% ethanol.

This study discovered that the disposition of LY191704 enantiomers in rats and dogs is both stereoselective and species specific.

This review, sourced from expert panel discussions and literature analysis, suggests Tianmeng oral liquid may improve sleep, reduce anxiety and depression, and enhance well-being in psychosomatic disorder patients, though further research is necessary.

This study reported high analytical performance of an RMP for DHT quantification, with the ability to differentiate between 5α-DHT and 5β-DHT isomers, making it suitable for routine assay standardization and clinical sample evaluation.

This study developed a method using ultra-high performance liquid chromatography-mass spectrometry (UHPLC-MRM-IDA-EPI) for the rapid and sensitive detection of 13 JAK inhibitors in anti-alopecia cosmetics, showing excellent separation and accurate quantification with high recovery rates in tested matrices.

In this study, the researchers developed a chromatographic method to determine α-tocopherol and α-tocopheryl acetate in pharmaceutical capsules with high accuracy and repeatability, establishing it as a reliable alternative for analyzing these compounds.

In this study, researchers developed a precise and rapid method for simultaneously analyzing minoxidil and finasteride in local therapeutic formulations, ensuring that the excipients did not interfere, making it suitable for routine quality control.

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.

In this study, the researchers developed an optimum liquid shampoo formula using chia plant components and found it to meet specific physical characteristics and stability requirements, with viscosity and foam height tested within acceptable ranges.

This study observed that treating basal and squamous cell carcinoma cells with platelet-rich fibrin significantly reduced cell viability and increased apoptosis-associated gene expression, suggesting potential use as adjunctive therapy for localized nonmelanoma skin cancers.

In this study, researchers identified an optimal shampoo formulation using Design Expert software, which showed no significant differences in viscosity and foam height, and the physical characteristics met acceptable standards, suggesting its potential for supporting hair health and preventing hair loss.

This study reported that a novel ionic liquid delivery system combining ferulic acid and finasteride enhanced the solubility, skin permeation, and effectiveness in promoting hair regrowth in androgenetic alopecia mice, suggesting an improved topical treatment approach.

This study observed that carbon paste electrodes catalyze the electrooxidation of minoxidil more efficiently than other electrode types, with a detection limit of approximately 20 ng mL^-1.

This study developed a rapid and reliable ultra high performance liquid chromatography method for analyzing 17 key ingredients in hair growth cosmetics.

This study established a method using reversed-phase high performance liquid chromatography to determine finasteride concentration in hair cosmetics, showing a strong linear relationship with mass concentration and recoveries between 90.3% and 102.0%.

This study developed a validated method for analyzing minoxidil in hair care cosmetics, demonstrating good precision and recovery rates.

This study developed a rapid and efficient in vitro method using high-performance liquid chromatography to screen for steroid 5 alpha-reductase inhibitors, determining inhibition constants for Finasteride and Epristeride.

This study developed a method using ultra-performance liquid chromatography and mass spectrometry to detect illegal substances in hair loss prevention cosmetics, revealing that some products contained high levels of minoxidil and finasteride, posing safety risks.

This study reported that administering finasteride reduced levels of certain neuroactive androgens in rat brains, suggesting peripheral origin for most 3α,5α-Adiol and brain synthesis for 3α,5α-A.