Samosir H, Sarmila T, Maharani LAN, Samosir DS. Formulation and Characterization of Herbal Lip Balm Utilizing Red Dragon Fruit (Hylocereus polyrhizus) Extract as a Natural Colorant and Active Ingredient. Eksergi [Internet]. 2026 Jan. 27 [cited 2026 Jan. 28];23(1):32-8. Available from: https://jurnal.upnyk.ac.id/index.php/eksergi/article/view/15867