utama, vonny, D. Islami, and N. Sundary. “Formulation and Evaluation of Lip Balm Using Pineapple (Ananas Comosus L. Merr.) Extract”. Jurnal Ilmu Kesehatan Abdurrab, Vol. 1, no. 3, Jan. 2024, pp. 46-51, http://ojsbimtek.univrab.ac.id/index.php/jika/article/view/4373.