Herr's Puff'n Corn, Hulless, Original vs World's Puffiest White Cheddar: which is safer?
Herr's Puff'n Corn, Hulless, Original is our pick: better on PFAS and on the overall hazard picture.
Our pick
Hurst
Herr's Puff'n Corn, Hulless, Original
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleGrease-resistant bag coatings (potential PFOA/PFAS precursors or alternatives)
PossibleThermal leaching from paper bag during microwave heating
Trader Joe's
World's Puffiest White Cheddar
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossiblePolymer coating leaching (interior bag lining)
PossibleThermal bag degradation and particulate release
PossibleMoisture and mold growth (storage hazard)
Both products run through the same public rubric: materials, coatings, brand disclosure, lab findings, and recalls, plus a beyond-PFAS hazard analysis. Grades are model-based estimates, not lab tests. How grades work →
More microwave popcorn: see the full ranking