From the Manufacturer:
No matter how well made, wooded cutting boards require proper maintenance to last and without regular treatment they will dry out, crack, and can even begin growing mold on the surface. Walrus Oil Cutting Board Oil penetrates the wood surface with wood preserving oils and seals the surface with water repelling beeswax, helping cutting boards last for generations.
Our Cutting Board Oil is 100% Food-Safe and free of toxins and synthetics, designed for new builds or for reconditioning. A heavy-duty cutting board oil that doesn’t require multiple coats! It will leave your board with a silky smooth finish, rich color, and a little sheen. The perfect ratio of ingredients locks in natural wood tones while repelling water and food particles when in use. Best part is, it only takes seconds to apply.
Read more on the Walrus Oil web site.