The last soap I made has aloe vera in it. I took some of the bigger leaves from our rather oversized aloe vera plant and I scraped off the gel from the leaf after leaving it to drain for a few minutes to get rid of the reddish substance that might cause skin irritation.
Making soap is really like making a cake or making a soup or making your own tofu. There are plenty of steps to take but once you've mastered them it really is a "piece of cake" and you can add in various extra ingredients to make it more moisturising or exfoliating or cleansing.
CAUTION: Although as easy as making a cake it's not for eating!!