Kartika, A. . and Minerva, P. . (2023) “Utilization of Snapper Spinach Leaf Extract (Amaranthus Hybidrus L) in Peel-Off Gel Mask Preparation for Aging Face Skin Care”, International Journal of Natural Science and Engineering, 7(1), pp. 28–39. doi: 10.23887/ijnse.v7i1.57767.