Nadhiya Nurfitra Rahmah, Nabilla Dira Tama, Nenis Rahma Wulandari, and Waras Nurcholis. 2021. “Potential of β-Carotene As Anti-Aging Serum: A Narrative Review”. International Journal of Research in Pharmaceutical Sciences 12 (3):1999-2004. https://ijrps.com/home/article/view/164.