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You are Ingesting 2.3 Million Microplastic Particles Every Year - Just From Your Toothbrush

A silent threat that builds up day after day - and you don’t even know it.

MAKE THE CLEAN SWITCH NOW

★★★★★ 50,000+ already made the switch

THE TOXIC TRUTH ABOUT PLASTIC TOOTHBRUSHES

1. Your Toothbrush Is Feeding You 2.3 Million Microplastic Particles Every Year

In 2023, a PubMed study (PMID: 38092338) found that up to 120 microplastic particles are released into your mouth every time you brush with a plastic toothbrush. That added up to over 88,000 plastic fragments per year. That was alarming enough.

Then in 2025, a new peer-reviewed study (PMID: 40680448) revealed the real number is 26x worse — your plastic toothbrush releases an average of 2.3 million microplastic particles per year. 63% of those particles are under 100 μm — small enough to absorb directly into your tissue.

This isn't a small issue. It's a massive problem hiding in plain sight.

Friction breaks down plastic bristles: Daily back-and-forth motion wears down the nylon bristles in your toothbrush, causing them to fray and fragment into microplastics.

Degrades into nano & microplastics: Heat and saliva from your mouth further weaken the material structure, breaking down nylon bristles into micro and nanoplastics.

It’s a daily dose of plastic: Twice a day. 365 days a year. Over 3,000 particles per session are becoming part of your everyday routine — without you even realizing it.

MICROPLASTICS DON’T JUST STAY IN YOUR MOUTH

2. They Get Inside Your Body Every Time You Brush

Those tiny plastic particles? They don’t just disappear. Your daily brushing routine is also giving plastic a direct route into your body.

Here’s how it happens:

Absorbed through your gums: Your gums are highly absorbent - like sponges. Microplastics pass straight through and enter your bloodstream directly.

Swallowed with your saliva: As you brush, these plastic fragments mix with your saliva and are unknowingly swallowed with every rinse.

Embedded in soft tissues: Your mouth isn’t just a passage - it’s an entry point. Microplastics linger and embed in the soft tissues of your gums and cheeks.

THE CHEMICALS HIDING IN YOUR TOOTHBRUSH

3. Microplastics Release Cancerous Toxins Into Your Body

Microplastics aren’t just tiny bits of plastic - they’re chemical carriers. Each particle leaches BPA, phthalates, and other endocrine-disrupting toxins directly into your body. And remember - plastic is made from crude oil. These aren’t harmless fragments. They’re toxic time bombs.

Here’s what they’re doing inside you:

Disrupt your hormones: BPA and phthalates are known endocrine disruptors - they throw off your body’s hormonal balance, affecting everything from metabolism to fertility.

Trigger gut imbalance: Swallowed microplastics damage your gut microbiome, leading to digestive issues, bloating, and poor nutrient absorption.

Cause chronic inflammation: Your immune system sees these particles as invaders - kicking off an inflammatory response that weakens your health over time.

Increase cancer risk: Studies have linked plastic-derived chemicals to multiple cancers, making this a long-term health threat you can’t afford to ignore.

BASED ON RESEARCH, HERE’S THE BEST SOLUTION

4. PRIMALS: The World's First Microplastic-Free Toothbrush

You brush your teeth to feel clean and cared for—not to expose your body to microplastics and toxins. That’s why we created the PRIMALS Horse Bristle Toothbrush: 100% soft horsehair bristles and a sustainable bamboo handle, offering a gentle, luxurious brushing experience made entirely from nature.

Backed by research and trusted by thousands, it’s the ultimate upgrade for anyone who values both health and elegance.

Here’s why it’s the smarter choice:

100% soft horsehair bristles: Luxurious and gentle on gums, these natural bristles clean thoroughly without fraying or releasing harmful toxins.

100% sustainable bamboo handle: Biodegradable and grown without harmful chemicals - eco-friendly inside and out.

Zero plastic = zero microplastics: No synthetic materials, no toxins, no hidden risks. A brush that respects your health and the planet.

Trusted by 50,000+ wellness-conscious users: Loved by people who prioritize toxin-free, luxurious self-care and a cleaner, healthier daily routine.

Make the Switch Now

50,000+ have made the switch to PRIMALS

Join the Movement - See What Others Are Saying

Thousands have already made the switch to a cleaner, safer brushing experience - and they’re feeling the difference.

Soft, Natural, and Great for Kids Too

I’ve used PRIMALS’ boar bristle toothbrush before and liked it, so I decided to try the horse bristle one—and I’m really happy with it so far. Only 3 days in, but the bristles are super soft and gentle on the gums. The bamboo handle feels nice in hand and dries quickly. I wanted something plastic-free that’s safe for kids too, and this totally fits the bill. My child used it without any complaints, which says a lot! Definitely sticking with this brand.

DK

soft bristles for sensitive gums!!

as good as the boar bristle toothbrushes by Primal but softer! So if you have sensitive gums this might be the way to go, either way your teeth will feel cleaner than ever! Also love that are their toothbrushes can stand, feels more sanitary!!

Alexis A

The best toothbrush I’ve ever used!

I’ve got pretty sensitive gums, so most toothbrushes either feel too rough or don’t clean well enough. This one hit the sweet spot. The horse bristles are super soft, but somehow still manage to make my teeth feel really clean. No irritation, no bleeding gums - just a smooth, gentle brush that actually works. Plus, knowing I’m not brushing with plastic is a huge bonus. If you’re looking for something soft and non-toxic, this is it. Way better than the “soft” plastic ones at the store that still feel scratchy.

JFer

Lightweight and good build!

I got the Primal’s boar bristle toothbrush a while back and got these to try out because I’ve never heard of horse bristle. They’re pretty comfortable on the teeth and I’ve noticed it’s a bit softer than the boar bristle if you prefer that, which I definitely do. It’s lightweight and well made and love that I’m not getting any nasty microplastics or nylon in my system. Would definitely recommend!