Characterization and Formulation of Anti-Aging Cream Using Collagen Derived from Sardine (Sardinella spp.) Fish Scales. Tropical Journal of Natural Product Research , [S. l.], v. 9, n. 7, p. 3013 – 3020, 2025. DOI: 10.26538/tjnpr/v9i7.8. Disponível em: https://www.tjnpr.org/index.php/home/article/view/6892. Acesso em: 2 jan. 2026.