Anjani Saskia Putri, Endang Diyah Ikasari and Ungsari Rizki Eka Purwanto 2024. Optimization of HPMC and Glycerine in Essence of Sheet Mask Containing Centella asiatica (L.) Urb. Extract and Snail Mucus (Achatina fulica) as A Moisturizer. Journal of Food and Pharmaceutical Sciences. 12, 2 (Aug. 2024), 97-107. DOI:https://doi.org/10.22146/jfps.9889.