Pertiwi, N. and Dwiridotjahjono, J. 2025. Analysis of Purchasing Decisions Based on Beauty Influencer Tasya Farasya, Electronic Word of Mouth (E-WOM), and Brand Image on Consumers of Skintific 5x Ceramide Barrier Moisturizer Gel Skincare Product in Surabaya. Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE). 8, 3 (Dec. 2025), 14163-14179. DOI:https://doi.org/10.31538/iijse.v8i3.7008.