It makes stable lather and helps condition the skin. Apricot kernel oil is often used for superfatting. It is also a good moisturizer that helps condition the skin. Avocado oil is a great moisturizer and so is often used for superfatting soaps. Avocado oil contains vitamins A, D, and E, which makes it healing as well as moisturizing.
Canola oil is less saturated than other fats, so it can be slow in saponification.
It is a good moisturizer, however. You can use it in place of more expensive oils like olive. Use it in combination with other vegetable oils to produce a nice hard bar of soap. It acts to lay down a protective layer which holds the moisture to the skin, so it is an excellent skin softener. Coconut oil is a saturated fat.