DuChateau Maintenance Oil is an All Natural, Low OC, high-quality product for the maintenance of hard-wax oiled surfaces. DuChateau Maintenance Oil is resistant to wine, beer, cola, coffee, tea, fruit juices, milk, water, saliva, and sweat. A hard-wax oil finished floor by definition has been saturated throughout with oils that make the floor relatively impermeable to foreign contaminants. …