“ANALYSIS OF THE HYDROQUINONE CONTENT OF WHITENING CREAM IN BEAUTY PRODUCTS BY UV-VIS SPECTROPHOTOMETRY”. Journal of Pharmaceutical and Medicine 1, no. 2 (December 30, 2024): 47–56. Accessed September 18, 2026. https://jurnal-stikesindah.umsu.ac.id/index.php/jopm/article/view/8.