Cutting board oil is food grade Mineral OIl, cutting board conditioner is food-grade mineral oil and carnauba wax blend. Mineral oil should always be in your kitchen as an essential for your cutting boards. Boards need the moisture that the oil gives them, as well as acting as a moisture barrier for water and food liquids for your wood boards. The cutting board conditioner helps to fill in holes and will give your boards a bit more of a gloss than just the mineral oil.