Putri Heldin, Siti Salamiah, dkk. “Formulasi, Karakterisasi dan Uji Aktivitas Inhibisi Tirosinase Sediaan Nanoserum Kombinasi Ekstrak Daun Teh Hijau (Camellia sinensis L.)-Astaxanthin: Formulation, Characterization and Tyrosinase Inhibitory Activity Test of Nanoserum Preparation Combination of Green Tea Leaf Extract (Camellia sinensis L.)-Astaxanthin”. Jurnal Sains dan Kesehatan, vol. 7, no. 2, Mei 2026, hlm. 132-4, https://doi.org/10.30872/jsk.v7i2.1044.