Leekalos Castor Oil Pack Wrap, Reusable Organic Castor Oil Pack for Liver Detox, Castor Oil Packs with Adjustable Elastic Strap, Washable Anti Oil Leak (Castor Oil Not Included) (Pink Flower pattern ) Leekalos Castor Oil Pack Wrap, Reusable Organic Castor Oil Packs for Liver Detox, Castor Oil Packs with Adjustable Elastic Strap, Washable Anti Oil Leak (Castor Oil Not Included) Castor oil packs are known to decrease inflammation and liver detoxification. Studies suggest that many of castor oil’s benefits come down to its chemical composition. It’s classified as a type of triglyceride fatty acid, and almost 90 percent of its fatty acid content is a specific and rare compound called ricinoleic acid. Ricinoleic acid is not found in many other plants or substances, making the castor plant unique since it’s a concentrated source.