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This study developed a reliable HPLC-UV/Vis method to determine aluminum phthalocyanine chloride in skin, supporting its use in skin permeation studies for photodynamic therapy of cutaneous tumors.

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 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 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 a highly sensitive fluorescent assay for measuring enzyme activity in single hair follicles, allowing the efficient analysis of over 100 samples per day.

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 developed and validated a method to analyze active ingredients in hair nourisher products, which was successfully applied to products from the market.

This study developed and validated a reliable RP-HPLC method for accurately quantifying dutasteride in pharmaceutical formulations and bulk pharmaceuticals using a Shiseido C18 analytical column, demonstrating precision, accuracy, and sensitivity across a concentration range of 10 to 22 ppm.

This study suggests that topically applied fusidic acid may penetrate only the most superficial layers of canine skin but can reach sufficient concentrations to potentially treat infections caused by pathogenic staphylococci.

This study developed and validated an HPLC-UV method for accurately quantifying clobetasol propionate in skin and hair follicles, demonstrating its application in in vitro permeation experiments.

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

This study developed a new HPLC method for detecting prohibited substances like minoxidil and hydrocortisone in cosmetic products, achieving high sensitivity and successful application to real-world samples.

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 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 chemical fingerprints to differentiate Eclipta prostrata and Wedelia calendulacea, two plants often confused and adulterated in the Indian herbal market, identifying distinct chemical profiles that can prevent such adulteration.

This study developed and validated a method to analyze active ingredients like nicotinamide and tocopherol in hair nourisher products using HPLC, which may facilitate quicker market access for these products.

This study successfully developed and validated a sensitive and precise liquid chromatography method for simultaneously estimating tamsulosine hydrochloride and finasteride in tablets, showing high accuracy and minimal interference from excipients.

This investigation reports a new RP-HPLC method for accurately estimating Finasteride and Tamsulosin Hydrochloride in bulk and tablet forms, which may serve in routine pharmaceutical analysis.

This study developed a method using HPLC with UV-DAD and ESI-MS detection to identify prohibited substances like minoxidil and hormones in cosmetic products advertised online for hair loss and skin conditions.

This study developed and validated an HPLC method for detecting a novel 5α-reductase inhibitor in human plasma, supporting its pharmacokinetic evaluation at low doses.

This review examines recent advancements in analytical techniques used to quantify dutasteride, a medication for enlarged prostate, in various biological samples and its commercial forms, emphasizing methods such as HPTLC, GC-MS, and HPLC.

This study developed and validated a precise and rapid HPLC method to simultaneously determine Minoxidil and Finasteride in pharmaceuticals, demonstrating successful application for routine quality control without interference from excipients.

This review discusses the role of steroid 5 alpha reductase 2 in converting testosterone to DHT and its association with conditions like benign prostatic hyperplasia and prostate cancer; it reports no new results.

This study developed and validated a precise RP-HPLC method for simultaneously estimating minoxidil and aminexil in pharmaceutical formulations with good accuracy and specificity.

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 identified over 40 phytochemical compounds in the leaves and flowers of Bituminaria bituminosa, predominantly glycosylated flavonoids from apigenin, using advanced chromatographic techniques.

This study developed and validated a high-performance liquid chromatographic method for identifying finasteride and its degradation products, showing excellent resolution and sensitivity under various decomposition conditions.

A new method was created to accurately measure minoxidil and aminexil in hair loss treatments.

This study developed an advanced HPLC-ESI-ion trap MS(n) method for the structural identification of cyclosporin A analogs CyA and CyC and reported the first MS(n)-aided identification of a new CyA analog.