When you switched from Crest to a “herbal” toothpaste, I want you to head clutch the tube at the moment.
I’d such as you to turn it over and skim the substances.
When you see peppermint oil, tea tree oil, spearmint oil, wintergreen, clove oil, or cinnamon oil — your “herbal” toothpaste is disrupting your oral microbiome.
I do know that is arduous to listen to. You made the transfer since you care about what is going into your frame. You probably did the analysis. You idea you had been doing the precise factor.
However right here’s what no one advised you: crucial oils are antimicrobial. That’s the entire level of them — that’s why they’ve been used for centuries in wound disinfection and cleansing merchandise. They’re extraordinarily efficient at killing microbes. The issue is, they don’t know the adaptation between the micro organism which might be protective you and the micro organism which might be harming you.
Some crucial oils are as tough as chlorhexidine — the nuclear choice your dentist prescribes after surgical operation. And also you’re brushing with them. Two times an afternoon. Each day.
So What?
Right here’s the place the average word “they kill unhealthy micro organism however spare just right micro organism” breaks down. It’s now not simply flawed — it displays a improper state of mind concerning the oral microbiome.
Your mouth incorporates over 700 species of micro organism. However they aren’t divided into mounted groups of “just right guys” and “unhealthy guys.” Maximum oral microbes are context-dependent — the similar species will also be recommended or damaging relying at the steadiness of the neighborhood round it.
A bacterium that’s completely risk free when your ecosystem is strong can grow to be disease-associated when that steadiness is disrupted.
Well being isn’t about killing the precise micro organism. It’s about keeping up a strong, purposeful ecosystem.
Very important oils are inherently bactericidal. They paintings via non-specific mechanisms — disrupting mobile membranes, interfering with metabolic processes — that means they observe force extensively, now not selectively.
While you introduce that more or less indiscriminate force two times an afternoon, you don’t simply take away damaging task. You destabilize all of the ecology. You scale back recommended purposes. You adjust microbial communique.
And the organisms that soar again quickest in a destabilized atmosphere are the opportunistic ones. The disease-associated ones.
Very important oils don’t simply take away damaging task — they may be able to destabilize the very ecology that assists in keeping your mouth wholesome.
For this reason a few of you might be doing “the whole lot proper” — brushing, flossing, consuming smartly — and nonetheless getting cavities, nonetheless getting bleeding gums. Nonetheless getting advised you wish to have any other process.
It’s now not your fault. It would simply be your toothpaste.
It’s No longer Simply Very important Oils
When I began taking a look at toothpaste formulations — in point of fact taking a look — I discovered downside after downside. Even within the “just right” manufacturers. Even within the ones I used to be recommending to my very own sufferers.
SLS (Sodium Lauryl Sulfate) — the element that makes your toothpaste foam. That foam feels find it irresistible’s cleansing your enamel. It’s now not. It’s stripping the protecting mucosal lining within your mouth. I may just all the time inform when my sufferers had been the usage of a toothpaste with SLS as a result of the sloughing of cheek cells I’d see on my intraoral replicate — it’s probably the most recognizable stipulations within the mouth. A couple of research have connected SLS to larger canker sore frequency. The cleansing resolution I exploit on our storage ground is 50% SLS. And that is the element the general public are setting up their mouth two times an afternoon.
Emulsifiers — they preserve the substances combined in combination at the shelf. Handy for production. However emulsifiers can disrupt the sophisticated steadiness of your oral microbiome too.
Endocrine disruptors — substances like triclosan and sure preservatives that intrude along with your hormonal device. On your mouth.
Pass learn the again of your toothpaste tube — even the only from the well being meals retailer — and ask your self: Do I do know what each and every such a substances is doing within my mouth?
My Confession
I’ve been writing about this downside for nearly a decade. In 2017, I printed an editorial on my website online referred to as “Very important Oils — The Probably Dangerous Aspect in Your ‘Wholesome’ Toothpaste.” I laid out the science. I cited the research.
After which on the backside of that article, I needed to make an admission: I used to be nonetheless the usage of Boka — a toothpaste with crucial oils in it. As a result of Boka additionally contained nano-hydroxyapatite, and on the time, it was once the most productive nano-hydroxyapatite toothpaste available on the market. I really helpful it to my sufferers for years. The nano-hydroxyapatite was once too necessary to surrender — it was once non-negotiable for me.
However the crucial oils? The SLS? The ones had been the tradeoff I approved, as a result of no one had made a nano-hydroxyapatite toothpaste with out them but. I even wrote on the finish of that 2017 article: “I totally notice that there are infrequently any crucial oil-free choices available in the market available on the market.”
That tradeoff is precisely why I constructed Fygg.
Fygg is the toothpaste I spent my whole occupation wishing existed. No fluoride. No crucial oils. No SLS. No emulsifiers. No detergents. No endocrine disruptors.
Simply substances that remineralize your enamel and nourish your oral microbiome as a substitute of destroying it.
No burn. No foam. The primary time you utilize it, it’ll really feel other. That’s since you’ve been educated to assume toothpaste will have to sting. That sting was once by no means cleansing your enamel — it was once the crucial oils and SLS attacking your comfortable tissue. As soon as that’s long gone, you recognize: this is how toothpaste will have to really feel.
And the science backs it up. A 2025 learn about printed within the Magazine of Dentistry — performed on the College of Texas Well being San Antonio — examined 8 toothpastes head-to-head on their skill to remineralize early tooth caries lesions.
Fygg accomplished more or less double the remineralization of Boka, and the adaptation was once statistically important (p < .01). Fygg additionally carried out on par with prescription-strength fluoride toothpaste (5,000 ppm). You’ll be able to learn the total learn about right here: PubMed
My complete circle of relatives makes use of Fygg — my daughters, my grandchildren. It’s the primary toothpaste I’ve ever been in a position to counsel with out an asterisk. No ‘it’s nice, however…’ No tradeoffs.
>> Check out Fygg (code ATD15 for 15% off)
Have an attractive week,
Mark


Pass Deeper
Very important Oils — The Probably Dangerous Aspect in Your “Wholesome” Toothpaste — My unique 2017 article laying out the science on crucial oils and the oral microbiome.
Why Do I Stay Getting Canker Sores? — The total breakdown on SLS, zinc deficiency, and the foundation reasons maximum dentists pass over.
It’s Time for Dentists to Confront the Fact About Fluoride — Why I finished recommending fluoride, and what the federal court docket ruling approach in your circle of relatives.
Mark’s Will have to-Haves for Fluoride-Unfastened (and Hollow space-Unfastened) Children — My complete oral care protocol for youngsters — no fluoride required.
Podcast Episode #110: Redefining Enamel Care with Fluoride-Unfastened Inventions
Podcast Episode #107: Fluoride Varnish + New Choices
The remineralization learn about (Magazine of Dentistry, 2025) — The top-to-head comparability of 8 nano-hydroxyapatite and fluoride toothpastes, together with Fygg, Boka, Dr. Jen’s, Risewell, and prescription power fluoride toothpaste.



