After PFAS: The Hidden Food-Safety Challenge in Europe's New Packaging Era

Europe’s Packaging and Packaging Waste Regulation (PPWR) has moved food-contact packaging into a new regulatory era. Since 12 August 2026, packaging placed on the EU market may not contain PFAS at or above three concentration thresholds set by Article 5(5) of Regulation (EU) 2025/40. The immediate compliance problem is analytical and documentary, but the deeper industrial problem is functional: PFAS were used because they provided unusually effective resistance to grease, oil, water and heat. Replacing them without degrading food protection, shelf life, recyclability or chemical safety is therefore a materials-engineering problem, not merely a substitution exercise. Recent literature on fluorine-free, bio-based and fibre-compatible coatings shows substantial progress, but also persistent gaps in convertibility, moisture barrier, migration assessment, real-food shelf-life validation and non-intentionally added substances (NIAS). This article argues that the post-PFAS opportunity is a new discipline of “barrier-by-design”: packaging developed simultaneously around food preservation, chemical migration, circularity, processability and regulatory evidence. The strategic prize is not simply PFAS-free packaging, but safer packaging whose replacement chemistry does not create the next regulatory problem.