C

Is Isodent PFAS-free?

Across 8 graded products, Isodent averages C (75/100). On disclosure, the brand says nothing publicly about PFAS. 8 of its products grade C or better. Grades are model-based estimates, not lab results.

Worth buying from Isodent C or better, safest first

iDontix X-Floss Easy Bridge and Implant Floss

Isodent

iDontix X-Floss Easy Bridge and Implant Floss

Dental floss (likely nylon/polyester core)

C
F
PFASAll
C · Moderate3 flags

Lower concern, standard dental floss with no known PFAS indicators, but brand offers no transparency.

Risky category by default

Dental Floss Unwaxed, 100 yd

Isodent

Dental Floss Unwaxed, 100 yd

Unwaxed nylon filament

C
C
PFASAll
C · Moderate1 flag

Lower concern; unwaxed nylon floss has no known PFAS markers, but brand transparency is absent.

Risky category by default

Floss Dental Mint Ultraclean, 90 yd (J&J)

Isodent

Floss Dental Mint Ultraclean, 90 yd (J&J)

Nylon filament floss

C
F
PFASAll
C · Moderate3 flags

Lower-concern choice; traditional nylon floss rarely uses PFAS, but brand discloses nothing.

Risky category by default

Dental Floss Refill (Charcoal)

Isodent

Dental Floss Refill (Charcoal)

Charcoal-infused dental floss (likely nylon or polyester core)

C
F
PFASAll
C · Moderate3 flags

Lower concern, but charcoal coating deserves clarification from brand.

Risky category by default

Idontix X-Floss Lite

Isodent

Idontix X-Floss Lite

dental floss (fiber composition unconfirmed from public data)

C
C
PFASAll
C · Moderate1 flag

Insufficient public data on this product; standard dental floss carries lower PFAS concern than waxed/water-resistant variants.

Risky category by default

3D Dental Dental Floss, Unwaxed Refill, 200 yds, 1/Pk, PR130 | Frontier Dental

Isodent

3D Dental Dental Floss, Unwaxed Refill, 200 yds, 1/Pk, PR130 | Frontier Dental

Nylon monofilament (unwaxed)

C
D
PFASAll
C · Moderate2 flags

Lower PFAS concern, unwaxed nylon floss has no typical driver for PFAS, though brand provides no explicit disclosure.

Risky category by default

Ecodent Gentle Floss 100 yd 6/pak, Size: 0.32 Ounce (Pack of 6), Blue

Isodent

Ecodent Gentle Floss 100 yd 6/pak, Size: 0.32 Ounce (Pack of 6), Blue

Nylon monofilament (dental floss)

C
D
PFASAll
C · Moderate2 flags

Lower-concern choice; typical dental floss material without known PFAS risk profile.

Risky category by default

Dental Floss, Nylon, Waxed, 200 yd., DAR48058

Isodent

Dental Floss, Nylon, Waxed, 200 yd., DAR48058

Nylon filament, wax coating

C
C
PFASAll
C · Moderate1 flag

Lower-concern option; standard waxed nylon floss unlikely to contain intentional PFAS, but no brand transparency.

Risky category by default

Every grade uses the same public rubric. How grades work →