When you make the investment in a beautiful John Boos hardwood cutting board, you’ll want it to stay that way for many years to come. Once you decide to treat your cutting board or butcher block, just apply a thin coat of John Boos mystery oil over the entire surface without forgetting to apply to the sides, too. This luscious oil is specially formulated to treat hardwood cutting boards and chopping blocks, easily penetrating right into the wood’s strong fibrous exterior to protect it against drying, cracking and bleaching. When your board is subjected to frequent washings, you’ll want a nourishing treatment to ensure longevity. The John Boos Mystery Oil is a highly concentrated food-safe preserver that’s designed to protect your wood food preparation surfaces for a longer, beneficial life.