Question: are all castor oils the same?
Answer: Krissy of Addicted to All Things Pretty investigates castor oil: "...but aren't all castor oils the same?" No, not at all! ... Castor oil (CAS number 8001-79-4) is a colorless to very pale yellow liquid with mild or no odor or taste. The main composition of castor oil is Ricinoleic acid.