Waterpik Ultra Water Flosser
Lower concern; water-contact device without known PFAS-prone coatings.
Waterpik Ultra is a motorized water flosser with plastic and metal parts. No public evidence of PFAS-containing coatings, waterproofing treatments, or brand disclosures regarding forever chemicals.
We flunk more products than we pass. This one earned its grade. How we grade
Material
plastic reservoir, electric motor, metal pump components
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
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.
What Waterpik Ultra Water Flosser is made of, ingredients and materials
The Waterpik Ultra uses a plastic (likely polycarbonate or ABS) reservoir to hold water, an electric motor to generate pressure pulses, and stainless steel or brass pump components that contact the water stream. Plastic-to-water contact in this product is intermittent and non-heated, which significantly reduces leaching risk compared to cookware or heated beverage containers. The brief residence time of water in the reservoir and room-temperature operation mean BPA or phthalate migration is minimal under normal use.
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 growth in stagnant reservoir water
Plastic reservoirs can harbor biofilm if not emptied and dried between uses, especially in humid environments. Risk is behavioral rather than material-based and is minimized by routine emptying and occasional rinse with dilute vinegar or baking soda solution.
What’s reassuring
Base material not linked to PFAS
The main material recorded for this product is not one associated with PFAS.
BPA & bisphenols
Room-temperature, intermittent water contact in a device held for seconds per use does not create the conditions for significant plastic leaching observed in heated cookware or long-term food storage. No recalls or testing data suggest this is a concern for Waterpik Ultra models.
Source, FDA ↗Metal corrosion or leaching (pump/valve components)
Stainless steel and brass components in contact with fresh tap water do not typically corrode or leach heavy metals under normal use. Risk increases only if salt water, hydrogen peroxide, or acidic solutions are routinely used, which is outside the intended operating environment.
Microplastics
Plastic wear from the reservoir or tubing can theoretically produce microplastics, but this would require visible material failure (cracks, fragmentation) and has not been reported as an issue for this product line. Replacement after 2-3 years of use prevents advanced wear.
Source, EPA ↗Electrical safety (motor, heating elements)
Waterpik Ultra is a low-voltage device (typically 100-240V AC adapter) with no heating element and standard safety certifications for consumer appliances. Immersion or prolonged water exposure during storage poses a minor electrical hazard but is not a material or chemical concern.
How is this PFAS grade calculated?
The brand's record and disclosure
Waterpik is a long-established oral care brand owned by Church & Dwight (maker of Arm & Hammer) with no major product recalls tied to chemical leaching or material failures in publicly available databases. The company has not issued dedicated materials or PFAS transparency statements, which is typical for consumer oral-care devices rather than cookware or food-contact manufacturers. No third-party testing or adverse events related to chemical contamination have been widely reported for this model.
How it compares in its category
Water flossers are lower-risk than food-storage containers or cookware because water exposure is brief, room-temperature, and not ingested directly through the device itself. Compared to other pressure irrigation systems (e.g., Sonicare AirFloss, Panasonic EW models), the Waterpik Ultra uses conventional plastic and motor design with no unusual material choices or known durability red flags. No competitor in this category has established a significant safety advantage based on available evidence.
If you buy it
Empty the reservoir after each use to prevent stagnant water and bacterial biofilm growth, especially in warmer climates or if unused for several days. Replace the device if you notice discoloration, cracks, or motor noise changes, as these may indicate internal wear; most models have a 2-3 year practical lifespan. Use only clean tap or distilled water; salt water or mouthwash additives may corrode internal metal components or damage seals. Check tubing connections periodically for leaks, which are usually a sign of wear rather than a manufacturing defect.
What is not known about PFAS in this product?
- Basis
- Model estimate, 72% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- Waterpik has made none
Formulations change between production runs, so check the current label. How we grade.
What are the PFAS-free alternatives to Waterpik Ultra Water Flosser?
- 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
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.