Does GUM dental floss have PFAS?
GUM dental floss averages 75 out of 100 on PFAS Authority's PFAS and toxin screen across the 4 GUM dental floss products graded as of October 2026, level with the 75 out of 100 median for the 21 other dental floss brands graded alongside it.
GUM dental floss averages Excellent on our four-band scale. 4 of the 4 we graded are worth buying. That is above 48% of the dental floss brands we grade.
PFAS Authority is a scoring system, not a laboratory. We do not test products ourselves. Grades are model-based, built from published ingredients, materials, certifications, brand disclosures and third-party lab results where they exist. See the rubric.
You may also be interested in
Top-graded picks in the categories readers replace first, every one scored on the same rubric.
- polypropylene filter housing, carbon/sediment cartridge
- We found no PFAS statement from the brand
- Bacterial growth in spent cartridges
3 hazards checked on this product, all on its full breakdown.
Aquasure
Premier Series 75 GPD Under Sink Reverse Osmosis Water Filtration System
- RO membrane, carbon filters, stainless steel housing
- We found no PFAS statement from the brand
- Bacterial and microbial growth in housing and filters
4 hazards checked on this product, all on its full breakdown.
Avocado
Vegan Mattress
- organic cotton, natural latex, coconut coir, recycled steel coils
- The brand calls it PFAS-free, which we have not verified
- Heavy metals
2 hazards checked on this product, all on its full breakdown.
GUM dental floss worth buying Good or better, best-graded first
- nylon/polyester floss with wax coating
- We found no PFAS statement from the brand
- Fragrance allergens (if flavored). Product is labeled 'Mint' but no detailed fragrance disclosure is…
2 hazards checked on this product, all on its full breakdown.
- nylon filament, mint flavoring
- We found no PFAS statement from the brand
- Fragrance/flavor allergens. Fresh mint flavoring compound identity is not disclosed; natural mint extract is…
- Nylon filament, wax coating
- We found no PFAS statement from the brand
- Fragrance allergens or undisclosed additives, GUM Floss does not list fragrance as an ingredient, reducing…
- nylon fibers, wax coating
- We found no PFAS statement from the brand
- Starting grade for this product type
Better dental floss from other brands
Graded higher than the GUM average of 75.
- Plant-based waxed fiber floss
- A third party reports verifying it as PFAS-free
- Fragrance allergens and sensitizers
- nylon monofilament
- The brand calls it PFAS-free, which we have not verified
- Microplastics
2 hazards checked on this product, all on its full breakdown.
- Coconut fiber-based floss
- The brand calls it PFAS-free, which we have not verified
- Microbial growth in natural fiber storage
The same question, asked of the other dental floss brands
Best average grade first. GUM averages 75.
See every GUM product we grade on the GUM brand page, or the full dental floss ranking.