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Why I Created The #1 Ranked Natural Toothbrush On The Planet
I'm Lauryn, founder of PRIMALS. I couldn't find a single toothbrush I trusted to put in the mouths of the people I love. So I built one myself, plastic-free, mold-free, and glue-free.
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"Switched the whole family. Can't believe I was putting plastic in my mouth for 30 years."
"My gums actually feel better and my teeth feel cleaner. Wish I'd found this sooner."
"Once you read how much microplastic a normal brush sheds, there's no going back. Highly recommend."
"The 4-pack lasts a full year. Cleans better than my old electric, honestly."
I couldn't stop thinking about what I was putting in the mouths of the people I love, twice a day, every day. So I read what a normal toothbrush is actually made of, and it stopped me cold.
"I couldn't fix what was already in the products we trusted. But I could build one thing I'd feel safe giving the people I love."
So I looked at every brush on the shelf. Every one had a problem. Here's what I found, and what I did about it.
First, I Learned My Brush Was Shedding 2.3 Million Plastic Particles A Year
A 2025 study found that plastic toothbrushes release over 3,000 microplastic particles into your mouth every single time you brush. That's 2.3 million a year, absorbing through your gums into your bloodstream twice a day. Once I read that, I couldn't put a plastic brush in my family's mouths again.
Then I Realized Nylon Was Leaching BPA, Phthalates And PFAS Into Me
Plastic and nylon bristles aren't just plastic, they're chemical carriers. Made from crude oil, they contain BPA, phthalates and PFAS that leach into your mouth and absorb through your gums. These are known hormone disruptors that throw off your balance, harm your gut microbiome, and trigger inflammation. I wanted that nowhere near the people I love.
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I Also Wanted A Brush That Actually Cleaned Better, Not Just Safer
I was tired of choosing between a clean mouth and not getting poisoned. Soft nylon bristles just flex on contact instead of scrubbing, leaving plaque behind while still shedding plastic. Boar bristles are firmer and actually dig in and lift buildup, so teeth feel polished and squeaky clean, with zero toxic trade-off.
And I Refused To Add To 1 Billion Brushes Trashed Every Year
Every year, Americans throw away over 1 billion plastic toothbrushes, adding 50 million pounds of waste that takes 400+ years to break down, leaching chemicals into soil and water the whole time. PRIMALS is 100% biodegradable. The bamboo handle and boar bristles break down naturally, leaving zero trace behind.
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I Even Learned Electric Brushes Blast EMFs At Your Brain Daily
Electric toothbrushes emit electromagnetic fields of 70 to 90 µT right next to your head, twice a day. Long-term exposure has been linked to poor sleep, reduced focus, and neurological stress. So while you're trying to optimize your health, your electric brush is radiating your brain. PRIMALS keeps it clean and primal: no electricity, no EMFs.
So I Refused To Settle For Cheap Bamboo That Molds And Still Has Nylon
Most cheap "eco" bamboo brushes are a half-measure: bamboo handle, but still nylon bristles, which are petroleum-derived and carry the same toxins as plastic. And they mold because they sit wet in a cup. PRIMALS is 100% natural from handle to bristle, with a non-toxic sealed base so it dries fast and never molds. Your health isn't negotiable, so I didn't cut a single corner.
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Hundreds Of Thousands Have Made The Switch
It didn't stay in my family for long. Over 100,000 people have switched and are sharing it with everyone they love, and hundreds of clinicians are doing the same with their patients.
Now Hundreds Of Clinicians Are Sharing It Too
Now 500+ clinicians share it with their own patients. They get samples and are never paid to review it. These are their own words.
"I love the Boar Bristle & Bamboo Toothbrush because the bristles are composed entirely of animal fibers. That means they are made without plastic like many toothbrushes you would find at the store. Research in Environmental Pollution found that standard plastic toothbrushes can and often do shed microscopic particles or "microplastics." Over years of brushing, those microplastics can quickly accumulate, so I encourage patients to explore plastic-free alternatives like this one from PRIMALS. It's great that the boar bristles can be effective for cleaning the teeth and protecting the enamel as well. There is a lot that I like about this product, and I would happily recommend it as part of an oral care routine."
"I highly recommend the PRIMALS toothbrush to patients whose gums may be irritated by stiff nylon bristles. A review of research found that hard-bristle toothbrushes can cause more gum abrasions than softer options, suggesting that soft and extra-soft brushes tend to be safer choices for most people. I expect many patients may notice that the boar bristles on this toothbrush feel noticeably softer and more flexible than standard nylon. This can offer a gentler brushing experience for sensitive gums. I appreciate the boar bristles are woven directly into the head, avoiding the use of glue or adhesives that may become triggers of irritation. After reading the research, I feel good about this product as a comfortable, low-chemical option for everyday brushing."
These clinicians want to clarify that larger-scale research to support their product claims is still developing. Clinician evaluations powered by frontrowMD.
The PRIMALS Boar Bristle Toothbrush
Every problem I found, fixed in one brush. 100% plastic-free from handle to bristle, and one 4-pack covers you for a full year.
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Why PRIMALS Beats The "Eco" Brush
Going Back To How It Was Meant To Be
Natural bristle brushes aren't new. They're how people cleaned their teeth for centuries, until plastic took over because it was cheaper to make, not better for you. PRIMALS just goes back to that.
I didn't set out to build a company. I set out to solve a problem I couldn't stop thinking about, for my own family first.
Every decision came back to one question: would I be happy putting this in the mouth of someone I love? If the answer was no, we changed it. That's why there's no plastic, no glue, and no mold in it.
If you switch, I hope it feels different in the best way. Thank you for trusting us with something you do twice a day, every day.
They Wanted Better. They Found PRIMALS.
We make these in small batches with natural boar bristle and bamboo, so they do sell out from time to time. If it's in stock right now, I'd grab it while you can.
Make The Switch I Wish I'd Made Sooner
You can keep the plastic brush, the way they're counting on. Or you can switch, and never wonder what's in your toothbrush again.
Switch To PRIMALS// 100,000+ switched // 500+ clinicians shared it
Questions, Answered
Yes. Nylon bristles and plastic handles degrade with use, releasing microscopic particles, an estimated 3,000 per use and 2.3 million a year (PMID: 40680448). Your gums absorb up to 10x faster than skin, so they go straight into your bloodstream.
Most "bamboo" brushes have a bamboo handle but still use nylon plastic bristles, the part in your mouth, and many grow mold sitting wet in a cup. PRIMALS uses natural boar hair bristles with zero plastic, and stands upright to dry fully so it stays mold-free.
Yes. The design stands on its own base so the bristles and handle dry fully between uses instead of sitting in trapped water. No moisture pooling means no mold, which is the biggest issue with ordinary bamboo brushes.
Boar bristles are firm but naturally tapered, so they clean thoroughly without the harsh abrasion of hard nylon. If you want something softer, the PRIMALS Horse Bristle brush is gentler still. Both are 100% plastic-free.
Yes. The bristles are collected during routine grooming, so no animals are harmed. It's a natural keratin fiber, the same protein found in human hair and nails.
The PRIMALS Boar Bristle Toothbrush comes as a 4-pack, which covers one person for a full year (replace every 2 to 3 months).