Tikarahayu Putri Study Programme of Cosmetic Technology, Department of Science, Sumatera Institute of Technology
Iwan Syahjoko Saputra Study Programme of Cosmetic Technology, Department of Science, Sumatera Institute of Technology Indonesia
Department of Science
Anjar Hermadi Saputro Study Programme of Pharmacy, Department of Science, Sumatera Institute of Technology
Yogi Nopiandi Permana Departement of Chemistry, Faculty of Mathematics and Natural Science, University of Indonesia
Yoki Yulizar Departement of Chemistry, Faculty of Mathematics and Natural Science, University of Indonesia
Sudirman Sudirman Center for Science and Technology of Advanced Materials-BATAN