Compostable Dental Floss vs Plant Based/Vegan Floss Refillable Glass Container PFAS-Free (2 Spools/4-: which is safer?
Dental Lace Compostable Dental Floss is our pick: better on PFAS and on the overall hazard picture.
Our pick
Dental Lace
Compostable Dental Floss
PFAS grade
A 100/100
Overall grade
A 92/100
Verdict
Buy
Hazard flags
⚑ 2
Material
Plant-based cellulose (wood pulp), organic mint flavoring
Confidence
82%
PossibleHeavy metals in organic ingredients
PossibleMold or bacterial growth in storage
Dental Lace
Plant Based/Vegan Floss Refillable Glass Container PFAS-Free (2 Spools/4-
PFAS grade
A 100/100
Overall grade
B 88/100
Verdict
Buy
Hazard flags
⚑ 3
Material
Plant-based vegan floss (likely plant cellulose or silk fibers)
Confidence
72%
PossibleFiber shedding or microplastic generation
PossibleGlass container breakage and sharp edges
PossibleBacterial or mold growth on floss spool
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 dental floss: see the full ranking