Castor oil is considered a vegetable oil that is produced by crushing the seeds of the castor oil plant. Castor oil is a particular type of triglyceride fatty acid, with nearly 90 percent of its fatty acid substance is ricinoleic acid, which is an unsaturated omega-9 fatty acid. Castor oil has traditionally been used as a remedy for treating various skin conditions and infections, relieving constipation, and increasing the health of hair.
+ 
