PVA is safely utilized in food packaging owing to its barrier properties and regulatory compliance. It forms transparent, odorless films that block oxygen and aromas, thereby preserving food freshness. FDA 21 CFR 173.230 approves PVA for direct food contact, while EU regulations (EC 10/2011) certify its migration limits. Water-soluble PVA films are ideal for single-dose packaging of detergents and food additives, dissolving completely in water without residue. PVA's film strength and heat resistance (up to 120°C) make it suitable for retort pouches, while its non-toxicity ensures safety in edible films for wrapping candy and cheese. Additionally, PVA's anti-fog properties keep packaged produce visible and fresh under refrigeration.