Eco-friendly focuses on the planet.
Eso-friendly focuses on you.
You shouldn't have to guess what's in your toothbrush. We publish every ingredient, every excluded chemical, and the research behind each decision.
Most “eco-friendly” bamboo toothbrushes still use nylon bristles glued in with epoxy resin. Petroleum-derived compounds, in your mouth, twice a day. The handle is bamboo. Everything that touches your gums is synthetic.
We looked into it. Then we made one without any of that.
Products
Oral care, water, sleep, and everyday essentials. Every product page shows exactly what’s in it.
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What we found when we looked into it.
The research behind what goes into everyday products — and what we think shouldn't.
What Is Eso Friendly? An Evidence-Based Guide to Chemical Safety
'Is it eso friendly?' A quick way to ask: does this mess with my hormones, accumulate in my body, or contain things the research says to avoid?
19 min read
What Are Endocrine Disruptors? The Evidence-Based Guide
Endocrine disruptors mimic your hormones at parts-per-trillion concentrations. How they work, where they hide, and what the research says you can do.
18 min read
Chemicals in Toothpaste, Mouthwash, and Your Toothbrush: The Oral Care Guide
SLS strips your gums. Mouthwash raises your blood pressure. Titanium dioxide crosses your oral mucosa in 30 minutes. Here's what the research says.
16 min read














