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 . Pharmasci 2021, 6 (2), 69-73. https://doi.org/10.53342/pharmasci.v6i2.219.