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Color Stability Evaluation of Pigment Extracted from Hylocereus polyrhizus, Clitorea ternatae and Pandanus amaryllfolius as Cosmetic Colorants and Premarket Survey on Customer Acceptance on Natural Cosmetic Product. JTRSS [Internet]. 2015 May 4 [cited 2025 Sep. 21];3(1):61-7. Available from: https://journal.umk.edu.my/index.php/jtrss/article/view/690