Formulasi dan Uji Stabilitas Fisik Krim Tabir Surya Nanoenkapsul Ekstrak DaunUbi Jalar Ungu (Ipomoea batatas L.) Varietas Antin-3: Formulation and Physical Stability Test of Sunscreen Cream of Purple Sweet Potato Leaf Extract (Ipomoea batatas L.) Antin-3 Variety Nanocapsulated. J. Sains. Kes [Internet]. 2024 Nov. 15 [cited 2025 May 9];5(5):716-22. Available from: http://jsk.ff.unmul.ac.id/index.php/JSK/article/view/583