“Physical Evaluation of Anti Acne Mask With Ethanol Extract of Purple Sweet Potato Leaf (Ipomoea Batatas (L.) Antin-3 Varieties: Evaluasi Fisik Masker Anti Jerawat Dengan Ekstrak Etanol Daun Ubi Jalar Ungu (Ipomoea Batatas (L.) Varietas Antin-3 ”. Journal Pharmasci (Journal of Pharmacy and Science), vol. 6, no. 2, July 2021, pp. 69-73, https://doi.org/10.53342/pharmasci.v6i2.219.