Melt butter and mix with corn oil. Let stand one hour. Mix eggs and stir gently. Add all ingredients one at a time to blender - adding 1 c of milk last. Beat at low speed. Turn off blender and add last 3/4 c milk unbeaten. Stir and enjoy. Keep refrigerated for freshness. Shake and add 1/2 c to your tub. Makes 3 cups - enough for 6 baths.