Vole Scram 22 Lbs Castor Oil - 11.% , Thyme Oil - 0.80% , Rosemary Oil - 0.82% , White Pepper - 2.50% , Garlic Oil - 0.06% , Citronella Oil - 0.50% garden and lawn Vole Scram professional is a proprietary blend of all-natural ingredients specifically designed to reduce and eliminate vole activity with both bad smell and taste. This repellent is the only one specifically formulated just for voles! It's easily spread over infested areas.