Refillable Silk Dental Floss vs Unwaxed Dental Floss: which is safer?
Refillable Silk Dental Floss is our pick: better on PFAS and on the overall hazard picture.
Our pick
Dental Lace
Refillable Silk Dental Floss
PFAS grade
A 100/100
Overall grade
A 92/100
Verdict
Buy
Hazard flags
⚑ 2
Material
Silk floss with compostable refillable packaging
Confidence
78%
PossibleMicrobial contamination in refillable container
PossibleAllergic reaction to silk protein or plant wax
Unwaxed Co.
Unwaxed Dental Floss
PFAS grade
C 75/100
Overall grade
C 71/100
Verdict
Buy
Hazard flags
⚑ 1
Material
Unwaxed nylon or polyester fibers, no intentional Teflon-family coating
Confidence
72%
PossibleManufacturing residues (slip agents, colorants, antistatic compounds)
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