Check out OSMO finishes, I used it in my home for a walnut top on our kitchen island. They are a natural vegetable oil/wax-based finish, German made 100% safe.
Osmo Oil & Wax Wood Finishing | Osmo Polyx®-Oil | Osmo Canada Store
Since 1964, Osmo has been engineering high-end interior and exterior wood finishes that don’t crack, blister or peel. All of our Polyx®-Oils are naturally derived, environmentally friendly and come from renewable resources, making Osmo an industry-leading sustainable brand.