Itsarasook, Khwunjit, Piyanuch Prompamorn, Jittarawadee Tanghiranrat, Kanlayaporn Chantree, and Itsaret Itsarasuk. “Antioxidant Activities and Cytotoxicity Effect on Normal Human Dermal Fibroblasts of Roselle (Hibiscus sabdariffa L.) Calyces Extracts and W/O/W Emulsion Loaded Extract for Cosmetic Applications”. Journal of Food Health and Bioenvironmental Science 16, no. 2 (November 11, 2023): 38–48. accessed August 29, 2026. https://li01.tci-thaijo.org/index.php/sdust/article/view/260666.