Nusontra, N., Ditthawutthikul, N., Wattanasiri, C. and Pansanit, A. (2026) “Comparative Study of Ethanolic and Propylene Glycol Extraction of Hemp Leaf Extracts: Phytochemical Analysis and Skincare Formulation Development”, Science Essence Journal, 42(2), pp. 185–204. doi: 10.69523/sej.2026.42.17324.