Remove Labels from Jars: A Simple DIY with One Ingredient How to Remove Labels from Jars. Pour rubbing alcohol into a wide yet shallow container and set your ugly jars with the label facing downward. Soak the jars for 5-10 minutes (or even longer, like during nap time or during dinner, etc.) Take out the jar and the label should wipe right off. If it's a stubborn label (like some of the Smucker's ...