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This study identified previously unknown phase I and phase II metabolites of finasteride in human bile and urine using a specialized bile collection technique and advanced mass spectrometry analysis.

This study validated an HPLC analytical method for evaluating fenasteride in commercial products, finding it to be sensitive, selective, and within acceptance criteria for specificity, precision, and stability, making it suitable for quality control testing.

This study found petroleum ether to be more effective than methanol at extracting β-sitosterol from Eclipta alba, with higher concentrations detected using HPTLC and HPLC methods. The extracted materials contained metals within safety limits.

The two finasteride formulations are bioequivalent.

This study validated an HPLC-UV method to detect minoxidil in cosmetic products and found that 2 out of 9 analyzed products contained minoxidil, despite international regulations banning its inclusion due to potential systemic absorption.

In this study, researchers found that 2 out of 9 analyzed cosmetic hair growth products contained the banned substance minoxidil, demonstrating the presence of this antihypertensive drug in some cosmetics despite regulations.

This study established a convenient, accurate, and sensitive HPLC-APCI-MS method for determining finasteride in human plasma, suitable for pharmacokinetic studies.

This study developed a reliable RP-HPLC-DAD method, finding that amino acid concentrations in bleached hair decrease with higher hydrogen peroxide levels, notably affecting cystine.

This study established a new reverse-phase high-performance liquid chromatography method to accurately and precisely quantify silodosin and dutasteride in mixtures, meeting International Council of Harmonization validation criteria for stability, sensitivity, and recovery.

This study developed a reliable RP-HPLC method for the simultaneous estimation of Spironolactone and Hydrochlorothiazide, which was validated as accurate, precise, and robust for pharmaceutical applications.

This study developed and validated three analytical techniques for the simultaneous quantification of Finasteride and Tamsulosin Hydrochloride in pharmaceutical dosage forms, with proven accuracy and precision.

This study developed and validated a reverse phase liquid chromatography method to accurately and reliably measure Minoxidil and Finasteride in bulk and marketed formulations.

This study successfully developed and validated a reverse-phase HPLC method for accurately determining finasteride and tamsulosin simultaneously in bulk and pharmaceutical formulations.

This review discusses various chemical and instrumental methods for determining macrolides and reports no new experimental results.

In this study, methanolic extracts of Hibiscus rosa-sinensis showed higher phenolic and flavonoid content, as well as greater concentrations of gallic acid and quercetin, than aqueous extracts, despite the latter yielding more extract, highlighting the effectiveness of methanol for extracting bioactive phytochemicals.

This study developed a fully automated HPLC method for accurately quantifying finasteride in human plasma, achieving a detection limit of 1 ng/ml with validated application in pharmacokinetic studies.

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 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.

This study found that minoxidil was released 50% less from creams than from lotions, with a similar release profile across different lotion formulations, suggesting a specific vehicle composition for topical use.

This study investigated the phytochemical composition and antibacterial and antioxidant activities of Zaleya pentandra extracts, finding high total polyphenol and flavonoid content and significant antibacterial effects, particularly in acetone extract, which may be suitable for developing antibacterial agents.

This review examines recent advancements in green and emerging microextraction techniques, such as SPME and DLLME, for more sustainable hormone detection in biological samples, emphasizing environmentally friendly solvents and bioanalytical applications.

This study optimized conditions for quantifying minoxidil using high-performance liquid chromatography, establishing specific parameters for mobile phase, flow rate, column temperature, and retention time.

This study developed a micellar electrokinetic capillary chromatography method for determining minoxidil in Rogaine and generic products, offering a simple and efficient alternative to HPLC.

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.

In this study, researchers assessed the physical-chemical and microbiological stability of various pharmaceutical ingredients in the vehicle TrichoSolTM, finding differing beyond-use dates for the compounds, such as 180 days for cetirizine hydrochloride, but only 90 days for progesterone at higher concentrations.

This abstract introduces TrichoFoam™, a new foaming vehicle for compounding pharmacies, designed to be a gentle, non-irritating option for alopecia treatment, acknowledging that current topical treatments are limited and oral products may cause adverse effects.

This study reports that dutasteride, used alone or with tamsulosin, effectively reduces acute urine retention and surgery risk in men with benign prostatic hyperplasia, and may lower prostate cancer incidence, suggesting potential chemopreventive benefits.

This study describes a validated UPLC-MS/MS method for quantifying finasteride in human plasma, demonstrating higher specificity, improved resolution, increased sensitivity, and faster analysis times compared to conventional HPLC-MS/MS methods.

In this laboratory study, Camellia japonica fruit shell extract showed potential to mitigate hair loss by promoting hair cell growth and reducing harmful effects of DHT and oxidative stress.