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This study found that the newly developed hair product K-30 increased both protein content and weight in chemically damaged hair to levels similar to healthy hair, unlike traditional products that only temporarily improve texture.

This study suggests that ultra-fine powders of steamed and lyophilized mature silkworms may have enhanced pharmacological effects compared to fine powders, possibly due to their smaller particle size.

This study found that fermenting porcine and equine placentas with a specific lactic acid bacterial strain enhanced the moisturizing abilities and cell proliferation properties compared to traditional placental extracts, suggesting their potential for cosmetic applications.

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 and validated a mass spectrometric method to measure hydroxy-androgens in serum, which aids in understanding androgen synthesis in castration resistant prostate cancer.

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

This study proposes a quick and sensitive method for detecting vancomycin using modified silver nanoparticles and shows promising results against Gram-positive and Gram-negative bacteria.

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 presents a novel assay that allows for the simultaneous measurement of various androgens and 5α-reductase inhibitors in male serum, facilitating research into the biochemical effects of these inhibitors.

New method measures minoxidil concentration faster, more accurately, and automatically.

In this study, the researchers found that the absence of the NFI-C transcription factor delayed the hair growth cycle in mice by affecting key gene expressions and signaling pathways.

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 reports that two novel chromatographic methods demonstrated high sensitivity and selectivity for determining aminexil, niacinamide, and pyridoxine HCl in a laboratory-prepared mixture and hair tonic preparation.

This study found that hair cosmetics have strong bacteriostatic properties, suggesting that current microbial test methods for these products should be revised.

This study developed and validated a micellar electrokinetic chromatography method to determine finasteride stability, finding that the drug degrades under acidic, basic, and oxidative stress conditions.

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 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 reprint reviews 14 papers on advances in solid-phase microextraction techniques for bioanalysis, reporting no new results.

This study presents a method using liquid chromatography tandem mass spectrometry to quantify biotin in plasma and serum, and explores how high biotin intake can interfere with diagnostic immunoassays that utilize biotin-streptavidin technology, potentially leading to misdiagnosis of endocrine disorders.

This study reported a simple and validated gas chromatography method to accurately measure finasteride in tablets, showing equivalency to the official method with no significant differences.

This study developed a straightforward HPTLC method for detecting nicotine and cotinine in human plasma and urine, concluding that liquid-liquid extraction with methanol: chloroform: ammonia achieved optimal separation and is applicable for forensic analysis of lethal nicotine intoxication.

This study demonstrated that a photometric flow titration method using KMnO4 and minoxidil provided recovery rates of 97.6 to 102.8% for commercial samples, with relative errors of 3.5 to 4.0% compared to chromatographic procedures.

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.

This study reported the development of a novel and reliable liquid chromatographic method to measure testosterone and epitestosterone in human urine, offering sensitive detection for doping control.

A new method was developed to accurately measure enzyme activity related to prostate health.

This study developed a rapid and accurate spectrophotometric method using diazotized sulfanilic acid to measure minoxidil in both pharmaceutical formulations and pure form, demonstrating high precision and linearity within a concentration range of 5-40 μg/ml.

This study describes a fast LC/MS/MS method for detecting various synthetic drugs in urine, meeting World Anti-Doping Agency performance limits.