Lestari, U., E. Griselta, and M. Muhaimin. “Comparison of Physical Properties and Effectiveness of Facial Wash Gel Nipah Shell (Nypa Fruticans Wurmb.) Activated Charcoal With Palm Shell (Elaeis Guineensis Jacq.) Activated Charcoal As a Facial Cleanser”. Farmasains : Jurnal Farmasi Dan Ilmu Kesehatan, vol. 6, no. 2, Jan. 2022, pp. 15-21, doi:10.22219/farmasains.v6i2.17328.