This Conditioner is the best way to 'season' your cast iron. Recommended by world champion Dutch oven chefs. Made of all-natural ingredients to protect your cast iron. It only takes a little of the mixture to properly care for your cast iron to ensure years of use. Best to apply while cast iron is warm to touch. A must have for anyone who uses cast iron on a regular basis. Our cast iron conditioner is made from all natural ingredients and will not spoil over time.