Now Food Castor Oil Versatile skin care Skin softener Multi-purpose 100% Pure Castor Oil is expeller-pressed from the seed of Ricinus communisand is virtually odorless and tasteless. While it's applicable in many other areas of wellness, Castor Oil is considered by many to be one of the finest natural skin emollients available today. Also known as Palma Christi (the "Palm of Christ"), castor oil celebrates a history of use that dates back to biblical times.