Efek Penambahan Kolesterol dan Tween 80 terhadap Karakteristik dan Stabilitas Fisik Liposom Hydrolyzed Collagen: The Effect of Adding Cholesterol and Tween 80 on the Physical Characteristics and Stability of Hydrolyzed Collagen Liposomes. J. Sains. Kes. 2024;6(1):164-171. doi:10.30872/j.sains.kes.v6i1.310