Love of Earth Co. Floss + Glass Case vs Ultra Water Flosser: which is safer?
Love of Earth Co. Floss + Glass Case is our pick: better on PFAS and on the overall hazard picture.
Our pick
Floss & Ploss
Love of Earth Co. Floss + Glass Case
PFAS grade
Excellent 90/100
Overall grade
Excellent 82/100
Verdict
Buy
Hazard flags
⚑ 2
Material
Dental floss (plant-based or silk) and glass case
Confidence
82%
PossibleFragrance allergens or undisclosed additives
PossibleMicrobial growth if floss is stored damp
Waterpik
Ultra Water Flosser
PFAS grade
Excellent 75/100
Overall grade
Good 71/100
Verdict
Buy
Hazard flags
⚑ 1
Material
plastic reservoir, electric motor, metal pump components
Confidence
72%
PossibleBacterial growth in stagnant reservoir water
Where these two actually differ
- We flag Fragrance allergens or undisclosed additives and Microbial growth if floss is stored damp on the Floss & Ploss and not on the Waterpik.
- We flag Bacterial growth in stagnant reservoir water on the Waterpik and not on the Floss & Ploss.
- The Floss & Ploss is Dental floss (plant-based or silk) and glass case where the Waterpik is plastic reservoir, electric motor, metal pump components, which is most of the difference in these two grades.
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