2020. ANTIOXIDANT SERUM FORMULATION FROM TOMATO EXTRACT (Solanum lycopersicum L.) AND CINNAMON EXTRACT (Cinnamomum burmannii) AS SKIN CARE. Journal of Holistic and Health Sciences (Jurnal Ilmu Holistik dan Kesehatan). 4, 1 (Jul. 2020), 50–57. DOI:https://doi.org/10.51873/jhhs.v4i1.80.