KYND started with a question that sounds simple but turned out to be harder to answer than it should be.
What is my toothbrush actually made of?
Not the handle. Everyone knows about bamboo handles. But the bristles — the part that spends two minutes in direct contact with the inside of your mouth, twice a day, every day.
The answer, when we found it, was simultaneously obvious and deeply strange: petroleum. The bristles are nylon — a petroleum-derived synthetic polymer — on virtually every toothbrush on the market, including the ones with bamboo handles and the ones with "natural" on the packaging.
The follow-up question was just as obvious: are these bristles doing anything to the inside of my mouth?
The research that answered that question is what turned a passing curiosity into a brand.
What We Found
Studies published in peer-reviewed journals had been quietly documenting microplastic release from toothbrush bristles for years. The numbers were not trivial. Some studies estimate an average of 39 microplastic particles released per brushing session — directly inside the mouth, against some of the most permeable tissue in the human body.
We also found that this information was essentially invisible to the average consumer. Toothbrush packaging doesn't mention it. Dental marketing doesn't mention it. The information exists in academic journals that most people never read.
The industry knew the question existed. It had no incentive to help consumers find the answer.
We decided to build the answer.
What KYND Is
KYND is a natural personal care brand built around one foundational principle: what goes in and on your body should be natural, transparent, and kind.
Not just marketed as natural. Actually natural. Material by material. Bristle by bristle.
Our first product is a natural horsehair bamboo toothbrush — the toothbrush that existed before nylon, updated for now. Horsehair bristles that shed organic keratin rather than synthetic polymer. A bamboo handle that composts at end of life. Kraft cardboard packaging. No nylon anywhere.
The details go all the way through. The bamboo handle is coated in 100% natural beeswax — the only treatment it receives — sealing the bamboo against moisture and mold without synthetic lacquer or chemical coating. The brush is designed to stand upright on its own, allowing the bristles to dry fully between uses. The packaging is 100% kraft cardboard: no plastic windows, no lamination, fully home compostable.
Every decision, down to the coating on the handle and the material of the box, was made with the same question in mind: is this genuinely natural, or just presented that way?
It's designed for people who are paying attention. People who read labels. Who have made the connection between what they put in their bodies and how they feel. Who want their daily habits to reflect their values without paying a premium or compromising on quality.
What We're Done Tolerating
We're done tolerating the information gap — the assumption that consumers don't need to know what their toothbrush bristles are made of.
We're done tolerating "bamboo" as a synonym for "natural" when the bristles are still nylon. The handle isn't the point. The bristle is the point.
We're done tolerating greenwashing that uses the visual language of nature — kraft paper, botanical illustrations, earth tones — while the material inside remains fundamentally synthetic.
And we're done tolerating the idea that choosing genuinely natural products requires either a deep wellness-world rabbit hole or a significant financial premium.
KYND exists because none of those compromises felt acceptable anymore.
What Comes Next
The toothbrush is the beginning.
The natural oral care space is larger than a toothbrush. Floss, tongue scrapers, toothpaste — all categories where the mainstream option still relies heavily on synthetic materials introduced directly into the mouth, despite natural alternatives existing.
We're building toward that. One genuinely natural product at a time, with full transparency about what's in each one and why.
Thank you for being here at the beginning.
Start with the toothbrush. KYND — available at trykynd.co