Culinary Genesis 6-Piece Glass Knife Block Set vs Icing Knife Set: which is safer?
Mercer Culinary Genesis 6-Piece Glass Knife Block Set is our pick: better on PFAS and on the overall hazard picture.
Our pick
Mercer
Culinary Genesis 6-Piece Glass Knife Block Set
PFAS grade
A 90/100
Overall grade
B 82/100
Verdict
Buy
Hazard flags
⚑ 2
Material
Glass knife block with stainless steel knives
Confidence
92%
PossibleGlass breakage and sharp edges
PossibleBacterial growth in block slots
OXO
Icing Knife Set
PFAS grade
A 90/100
Overall grade
C 78/100
Verdict
Buy
Hazard flags
⚑ 3
Material
Stainless steel blades with polymer handles
Confidence
82%
PossiblePolymer handle degradation
PossibleMicroplastic shedding from handles
PossibleBacterial growth at blade-handle junction
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 non-stick knife sets: see the full ranking