This research investigates how halal awareness and FOMO influence purchase decisions and customer satisfaction regarding halal cosmetic products among students at Hasyim Asy’ari University (Unhasy). This study employs a quantitative approach using a survey method involving 101 respondents selected via purposive sampling, drawn from the active student population of Unhasy from the 2022–2025 cohorts. Data analysis was conducted using Structural Equation Modeling–Partial Least Squares (SEM-PLS) with the assistance of SmartPLS 4.0 software. Findings reveal that halal awareness exerts a significant positive effect on both purchase decisions and customer satisfaction; FOMO demonstrates a significant yet negative effect on purchase decisions; and purchase decisions significantly shape customer satisfaction. These outcomes are expected to provide practical guidance for manufacturers, marketers, and halal certification institutions in developing more targeted marketing approaches.
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