Chailap, Benjamat, and Thanesuan Nuanyai. “Aloe Vera Leaf Extract by Glycerin: Tyrosinase Enzyme Inhibitor and Cosmetic Formulations”. Health Science, Science and Technology Reviews 15, no. 2 (August 26, 2022): 74–85. Accessed May 1, 2024. https://li01.tci-thaijo.org/index.php/journalup/article/view/252062.