Boos Board Cream -- * This all natural formula penetrates deeply into the grains of the wood, leaves a silky wax barrier and locks moisture in. * Used regularly, Boos Block Board Cream will replenish the moisture lost from repeated washings, keeping your butcher blocks, cutting boards, and utensils from drying, bleaching and cracking. * Boos Block Board Cream is a special combination of natural unbleached beeswax and food grade mineral oil.