Marniza, E., Dewi , R. and Amalia , A. 2026. Analysis of Hydroquinone and Mercury in Whitening Hand and Body Lotions Marketed through Offline and Online Channels Using Spectrophotometric Methods. Journal of Pharmaceutical and Sciences. 9, 3 (Aug. 2026), 2721–2731. DOI:https://doi.org/10.36490/journal-jps.com.v9i3.1708.