The resin used is not classed as non-toxic or food safe. The resin should not be used as a cutting surface however, any ‘Incidental Food Contact’ is fine. Do not eat directly from resin if any of the material chipped off into the food.
Wash your board by hand in warm soapy water. Don’t soak any wooden board. You can submerge it in water, but only for a quick dunk. Soaking can cause the board to warp. Don’t put it in the dishwasher, or use harsh concentrated cleaners and let it dry completely.