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