Lotions... Good luck with that. I finally found that I should have never bought a pound of stearic acid and have come to know the joys of babassu in a lotion. I am possibly one of the few here who will not advise the tree nut oils in lotions but that is only because I cannot have them in my home not because I hate them (I don't. They do feel nice).
To make that "perfect lotion", you will need patience, heat resistant containers, the will power NOT to make more than 200g until you're comfortable making lotion, and pipettes, lots of pipettes.