Determination of 13 Janus Kinase Inhibitors in Anti-Alopecia Cosmetics by Ultra-High Performance Liquid Chromatography-Tandem Triple Quadrupole Composite Linear Ion Trap Mass Spectrometry

    September 2025 in “ Chinese Journal of Chromatography ”
    Leilei Fan, Chen Ma, Haibo Wang, Qiuhong Yang
    Studysummary 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.
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