A fabric protectant comprising of a carrier and a plant oil selected from the group consisting of horseradish oil, bay oil, basil oil, calamus oil, ginger oil, palmarosa oil, cinnamon oil, ylang-ylang oil, perilla oil, valerian oil, clove oil, star anise oil, milfoil oil, fennel oil, oregano oil and angelica oil, efficaciously controls fabric-related pests. In addition, a method of protecting fabric which comprises dispersing, spraying, spreading and setting an effective amount of the plant oil selected from the group given above is an excellent method to control fabric-related pests.