JK Adams beeswax wood conditioner (SKU BW-06). Official specs are 6 oz, USA made, all-natural. Ingredients are MCT fractionated coconut oil and yellow beeswax. Official page lists it as a food-safe conditioner for wooden cutting boards, serving pieces, butcher block countertops, and hardwood salad bowls. Apply with a soft cotton cloth when the wood feels rough or dry. Specs from JK Adams' beeswax page.

This is the wax we sell with these boards. Oil first if the wood is thirsty, then wax.