Essential Oils, Soap Making Supplies & More | Bulk Apothecary
That's where I bought it from, but you can really get those oils for a little more expensive at Michaels or something. Castor oil is like at walmart, just don't get the one made for being a laxative. They're stupid cheap though. I spent like $5 on my carrier oils and they've lasted me like 3 years and I'm still on the first mix of them.. so you really don't need all of what you end up buying.
If you want to know what to mix, look up OCM methods.. and you can make up a nice, lovely oily concoction and it'll work for sure for make-up removal.