Microplastics seem to be everywhere lately — in water, food, and even personal care products. It’s natural to wonder: Are there microplastics in toothpaste or floss? And should you be concerned?
The short answer: microplastics do show up in some dental products, but the risk is often misunderstood. Here’s what you should know — and what actually matters:
First, What Are Microplastics?
Microplastics are tiny plastic particles, ranging from 20 micrometers to 5 mm. Some are intentionally made small (like cosmetic microbeads), while others form when larger plastics break down over time.
When it comes to oral care, the main concern is intentionally added plastic particles, not environmental contamination.
Do Toothpaste and Floss Contain Microplastics?
Some do — but many modern products don’t. The biggest concerns come from older formulations and certain specialty products.
Let’s break it down:
Toothpaste: The Main Area to Pay Attention To
Microbeads (Less Common Today)
In the past, some toothpastes used tiny plastic beads to:
- Scrub stains
- Create a “polishing” effect
- Improve texture
Many countries have banned cosmetic microbeads, and most major brands have removed them. However, some imported or niche products may still contain plastic particles.
Ingredients to Watch For
If you like reading labels, avoid toothpastes that list:
- Polyethylene (PE)
- Polypropylene (PP)
- PMMA
- Nylon-12
Most well-known brands have already phased these out, but it’s still worth being aware.
Whitening Toothpaste: A Possible Hidden Source
Whitening formulas are slightly more likely to contain synthetic abrasives.
Some use plastic-based particles because they:
- Feel smooth while still abrasive
- Are inexpensive to manufacture
If a whitening toothpaste feels unusually “gritty but silky,” it may contain synthetic polymers.
A safer bet:
- Whitening toothpastes that use hydrated silica
- Dentist-recommended whitening products
Dental Floss: The Surprising One
Many people are surprised to learn that floss can contain plastic — but in a different way than toothpaste.
Glide Floss (PTFE)
Some ultra-smooth flosses use PTFE, the same material found in nonstick cookware.
Here’s the nuance:
- It’s not a loose microplastic particle
- But it is a synthetic polymer that doesn’t break down easily
For most people, the concern is less about immediate health risk and more about long-term exposure and environmental impact.
If this worries you, alternatives include:
- Nylon floss
- Silk floss
- Plant-based or biodegradable floss
Toothbrushes: More of an Environmental Issue
Toothbrushes themselves aren’t a major source of microplastic exposure while brushing.
However:
- Bristles can wear down over time
- Disposable brushes contribute to environmental plastic waste
If sustainability is important to you, consider:
- Replacing brushes regularly (every 3 months)
- Electric brush heads with recycling programs
- Bamboo-handled brushes
What About Mouthwash?
Most mouthwashes do not contain microplastics.
The only rare exceptions are cosmetic rinses with suspended particles, which aren’t very common in mainstream products.
For most people, mouthwash is a low concern in the microplastics conversation.
So, Should You Be Worried?
This is where perspective matters.
The Overall Risk Is Relatively Low
- Many major brands have removed plastic microbeads
- Exposure from dental products is small
- Daily oral hygiene benefits still far outweigh potential risks
That said, small exposures can add up over time, which is why awareness is growing.
Easy Ways to Reduce Exposure
If you’d like to be more mindful without overcomplicating your routine, here are simple steps:
1.Choose Mainstream Toothpastes
Large, reputable brands are more likely to follow updated safety standards.
2.Be Selective with Whitening Products
Look for:
- Silica-based whitening toothpastes
- Dentist-recommended systems
3.Consider Your Floss Choice
If you’re concerned about synthetic materials:
- Switch from glide floss to nylon or plant-based options
4.Focus on Consistency Over Perfection
The most important thing is still:
- Brushing twice daily
- Flossing regularly
- Keeping up with dental visits
These habits matter far more than small ingredient differences.
Why This Topic Is Getting So Much Attention
Interest in microplastics is part of a bigger shift toward:
- Ingredient transparency
- Preventive health
- Environmentally conscious choices
You may also see conversations about:
- “Clean” oral care products
- Hydroxyapatite toothpaste
- Alcohol-free rinses
Not all trends are equally important, but asking questions is a good thing.
The Bottom Line
Here’s the takeaway:
The biggest microplastic concerns in oral care are older toothpastes with plastic abrasives and certain glide flosses — not most modern dental products.
With a few thoughtful choices, you can reduce exposure without sacrificing your oral health.
Final Thoughts
It’s easy to feel overwhelmed by evolving health information, especially online. Microplastics are a real topic, but they don’t need to cause panic.
The goal isn’t perfection — it’s informed decisions.
If you ever have questions about the products you’re using, bring them to your dental visits. A quick conversation can help you choose options that support both your oral health and your peace of mind.
Call us at (212)246-8700 to set up a consultation today! Follow Gallery57Dental on Facebook here!
