Castor oil is being promoted as a natural hair growth remedy but how does it actually work? What does castor oil do for hair? Find out how you can use castor oil to get healthy hair fast. What is Castor Oil? Castor oil (where to get it) is a nutritious vegetable oil obtained by pressing the seeds of the Castor plant, Ricinus communis. It has a distinct odor that has a notable scent when ingested. Its consistency is thick and it has a dense oil feel. If you have seen a darker colored castor oil, it is not from another type of castor plant, but rather from the same castor seeds. Only the processing is Continue Reading