Plackers Twin-Line Dental
Nylon dental floss with no coating or treatment on record.
Plackers Twin-Line Dental is nylon dental floss. No water-repellent finish or coating is listed on the product record. The brand has no PFAS statement on record.
We flunk more products than we pass. This one earned its grade. How we grade
Material
Nylon dental floss
Lab data
No public lab test
What Plackers Twin-Line Dental is made of, ingredients and materials
Plackers Twin-Line Dental is nylon monofilament floss, a synthetic polymer that does not require chemical coatings for function. Nylon itself is inert in the oral cavity at body temperature and is not known to leach harmful substances during normal flossing. Unlike waxed floss varieties (which may contain proprietary wax compounds), the Twin-Line design relies on mechanical fiber geometry for effectiveness, eliminating concerns about wax additives or plasticizers.
What’s concerning
Category baseline
The starting point for this type of product, before anything specific to this product is counted.
No PFAS disclosure
No public statement from the brand about PFAS in this product.
Bacterial or mold growth on spool
Any dental floss spool stored in humid bathroom environments can develop mold if moisture-exposed; this is a storage/maintenance issue, not a product formulation hazard, and is preventable with dry storage.
What’s reassuring
Base material not linked to PFAS
The main material recorded for this product is not one associated with PFAS.
Nylon microparticles from fiber breakage
Nylon floss may shed microscopic fibers during vigorous use, but ingestion risk is negligible in dental floss applications and no toxicity is established for incidental nylon particles in saliva or swallowing.
Dye or colorant in floss
Plackers Twin-Line products are typically sold in white or natural nylon color; no evidence of added azo dyes or heavy metal pigments, and any minor colorants would be minimal in a low-contact oral product.
Wax or proprietary coating additives
The Twin-Line design is marketed without wax; nylon monofilament alone requires no functional coatings, eliminating concerns about undisclosed wax compounds or slip agents.
Heavy metals
Food-contact nylon polymers are regulated for heavy metal content in many jurisdictions; no recalls or test data for Plackers floss indicate contamination, and dental floss contact time is brief and saliva pH is neutral.
Source, FDA ↗The full breakdown
The brand's record and disclosure
Plackers is a subsidiary of Prestige Consumer Healthcare and is widely sold over-the-counter with no documented safety recalls or public controversies involving this product. The brand does not publish detailed material safety disclosures or third-party certifications for dental floss. No evidence of formal PFAS commitment exists, but the product category (dental floss) and material (plain nylon) carry lower inherent risk for PFAS-containing additives compared to coated or water-resistant variants.
How it compares in its category
Dental floss as a category poses minimal chemical hazard compared to cosmetics or personal care products with active ingredients or fragrances. Plackers Twin-Line is comparable to other mainstream nylon floss brands (Oral-B, Reach) in material simplicity. Products marketed as 'waxed' or 'Teflon-type coating-coated' may introduce additional chemical variables; this product's uncoated nylon design is a simpler composition.
If you buy it
Use as directed by your dentist or daily without special precautions; nylon floss has no heat or storage sensitivity. Replace the spool if fraying occurs or if floss becomes difficult to handle, typically after several months of regular use. Ensure floss is stored in a dry location to prevent mold growth on the spool. No special disposal hazard; nylon floss is not recyclable and should be placed in regular trash.
What we don’t know
- Basis
- Model estimate, 72% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- Plackers has made a specific claim
Formulations change between production runs, so check the current label. How we grade.
Better-graded alternatives in Dental Floss
Oral-B
ORAL B Glide Pro-Health Floss
- nylon monofilament
- The brand calls it PFAS-free, which we have not verified
- Microplastics
2 hazards checked on this product. See all of them.
DentaFloss
Cocofloss Dental Floss
- Coconut fiber-based floss
- The brand calls it PFAS-free, which we have not verified
- Microbial growth in natural fiber storage
DentaFloss
Oral-B Essential Floss
- Nylon floss, waxed coating
- The brand calls it PFAS-free, which we have not verified
- Starting grade for this product type
More dental floss grades
How we score, every product runs through the same public 0-100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.