It makes a softish bar so use it in combination with other, more saturated oils. Shea butter is a truly superior superfatting agent because it contains a large percentage of elements which do not react with the lye, but instead remain in the soap to nourish your skin. Vegetable shortening is often made out of soybean oil. Its strong points are that it is cheap and readily available, is mild, and has a stable lather. It doesn't provide many other wins as far as moisturizers or conditioners go, so use it in combination with other luxury oils.
Sunflower oil is a less expensive alternative to olive oil.
Despite that, don't store it longer than six months. It can make your soaps take longer to trace and to harden. All rights reserved.