PHYSICAL PROPERTIES AND ANTIOXIDANT ACTIVITY OF ESSENCE SHEET MASK WITH CONVENTIONAL AND HYDROPONIC RED SPINACH LEAF EXTRACT. j. penelit. dan pengabdi. kpd. masy. unsiq [Internet]. 2023 Sep. 30 [cited 2025 Nov. 25];10(3):186-95. Available from: https://ojs.unsiq.ac.id/index.php/ppkm/article/view/5405