This wooden knife handle oil is made from pure USP Food-grade oils. It will not spoil or go rancid over time like other oils. The wooden knife handle oil is crystal clear and free of any impurities that may react with your wooden knife handle . To apply to a wooden knife handle simply wipe on with a clean cloth and allow to soak in for five minutes before wiping off. Multiple coats may be needed at first with follow-up treatments every few months. Excess oil should be wiped off the surface. We recommend top-coating your wooden knife handle with 100% natural Bees Wax polish. (Beeswax for butcher blocks is available in 8oz and 2oz cans) A light coating of beeswax will help to prevent water and food-liquids from soaking into the wooden knife handle wood. The coating is food-safe and can be easily applied with a cloth.