D. Ermawati, P. Z. Cahyani, I. Shahnaz, A. Juniarty, C. L. Mahardhika, and U. Chasanah, “Formulation of Serum Using a Combination of Tamanu Oil and Tea Tree Oil as Antiacne”, jki, vol. 13, no. 2, pp. 150–158, Aug. 2023.