Primadani NB, Alyidrus R, Farid N, Auliah N. Formulation and Effectiveness Test of Lip cream Preparations From Ethanol Extract of Red Fruit Seeds (Pandanus Conoideus L) as a Natural Dye Using DPPH (1,1-Diphenyl-2-Pikrihidrazil) Method. JOPS [Internet]. 2023Dec.31 [cited 2025Apr.3];7(1):136-42. Available from: https://jurnal.univrab.ac.id/index.php/jops/article/view/4173