Rub into the area with essential oil or chemical for a few seconds until thoughly mixed. Wash off with copious amounts of water.
Milk is an emulsion with a fat content that helps to dissolve oils.
Keep a small carton of plain UHT milk and an eyeglass near your mixing area. Use the milk as many times as necessary to flush the material out. Then use plain water 3-4 times to wash the milk out. Wash out excess from the mouth and throat by spitting out and gargling with milk or water - always spitting out. Lukewarm is better than cold.