January 2005 in “Industrial Catalysis” This study found that regenerating the Pd/C finasteride synthesis catalyst using methanol extraction and nitric acid oxidation achieved a pregnendone conversion of 97.5%.
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February 2022 in “European journal of endocrinology” This study developed a validated method using UPLC-MS/MS to analyze 37 hormones in human hair, enabling broader hormonal profiling for identifying endocrine disorders.
8 citations
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September 2016 in “Asian journal of beauty & cosmetology” In this study, the methanol-ultrasound extract of Dendropanax morbifera leaf showed potential for use in functional cosmetics and hair growth products due to its high antioxidant capacity and effects on growth factor expression without cytotoxicity.
January 2015 in “CHINESE JOURNAL OF ANALYTICAL CHEMISTRY (CHINESE VERSION)” This study developed a rapid and reliable ultra high performance liquid chromatography method for analyzing 17 key ingredients in hair growth cosmetics.
July 2026 in “Journal of Medicinal Plants Studies” 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.