Febriansyah Husaini Syarif, Neng Risanti Alma’sum, Reza Pratama Saputra, Syifa Intan Ratiani, and Aden Dhana Rizkita. “Review of Green Synthesis: ‘Activated Charcoal’ to Reduce Sebum Levels in Oily Facial Skin”. Proceeding International Conference on Religion, Science and Education, vol. 2, Apr. 2023, pp. 605-9, http://sunankalijaga.org/prosiding/index.php/icrse/article/view/971.