ananda ardini, Rosanti AS, Dwiningrum R, Suswidiantoro V. Optimization of Lip balm Formulation Containing Beetroot Extract (Beta Vulgaris L.) With a Combination of Grapeseed oil and Avocado oil Using the Simplex Lattice Design Method. JS [Internet]. 2026 Jan. 10 [cited 2026 Jan. 12];4(3):322-3. Available from: https://jurnal.undhirabali.ac.id/index.php/jakasakti/article/view/4318