Cold Pressed and Cold Processed Pure natural emollient oil Softens and nourishes the skin Ideal for use in Castor Oil Packs Excellent for massage into joints and muscles Hexane Free Paraben-Free Castor Oil is a natural emollient that penetrates the surface layers of the skin making it softer and more supple. It is best to apply Castor Oil externally using a ?Castor Oil Pack? - saturating the oil onto a piece of wool flannel and applying to the body with or without heat. Instructions for the preparation and application of Castor Oil Packs are supplied with Home Health White Wool Flannel.