Flossing is one of the simplest and most powerful daily habits for protecting oral health. It removes plaque where toothbrushes cannot reach, supports healthy gums, and helps reduce inflammation throughout the body.

However, recent attention has been drawn to a surprising topic: PFAS found in some dental floss products. Understandably, this has raised questions for patients who want to make informed, health-conscious choices.

What are PFAS?

PFAS stands for Per- and Polyfluoroalkyl Substances. These are a group of man-made chemicals often referred to as “forever chemicals.” They earned this nickname because they do not easily break down in the environment or the human body.

PFAS have been widely used for decades to create non-stick, stain-resistant, and water-repellent surfaces. You may recognize them from:

• Non-stick cookware

• Food packaging

• Cosmetics

• Certain types of dental floss

Why are they concerning?

Repeated exposure can lead to the accumulation of these chemicals in the body, contributing to chronic inflammation. Research has linked elevated PFAS levels to disruptions in immune function, hormonal balance, and metabolic processes.

From a prevention-focused healthcare perspective, reducing avoidable exposure—especially when safer alternatives exist—is a practical and proactive choice.

How do PFAS end up in dental floss?

Some flosses—particularly those marketed as “glide” or made with polytetrafluoroethylene (PTFE)—use PFAS-based materials to create a smooth, slick surface.

While this design allows the floss to slide easily between tight teeth and can feel more comfortable, concerns have been raised about the cumulative effect of repeated exposure through daily use over many years.

What Does This Mean for Me?

You do not need to stop flossing. Instead, you may simply consider switching the type of floss you use. Many PFAS-free alternatives are readily available and highly effective.

Better Alternatives for Your Routine:

• Woven or multifilament nylon floss: These provide a “scrubbing” action that is excellent for plaque removal.

• Silk or plant-based floss: Natural options that are often biodegradable.

• Products labeled PFAS-free or PTFE-free: Look for these specific labels on the packaging.

Pro Tip: These options may feel slightly different than glide-style floss, but they are highly effective when used consistently. Think of it as choosing stability over slickness—your gums will thank you.

Why Quality Matters for Total Health

Flossing remains an essential, non-negotiable part of oral health. Removing plaque between the teeth is critical for maintaining healthy gums and reducing systemic inflammation.

However, when safer alternatives exist, it is wise to avoid materials that may add an unnecessary toxic burden to the body. Choosing a PFAS-free floss allows us to protect our oral health while supporting a truly healthy foundation for the entire body.

Stay Informed

If you have questions about specific product options we will be sharing a follow-up article soon with our top recommendations for PFAS-free floss and oral care products. Stay Tuned.