It is estimated that almost half of adults have at least one of these harmless growths. They can disinfect the skin, use sterile surgical tools, and have the ability to control unexpected bleeding should it occur. However, there might be some individuals who can be allergic to castor oil. As rightly said, "prevention is better than cure", there are a few tips one should consider with regarding using castor oil. Some may be allergic to castor oil. Over usage of castor oil can irritate the skin. Friction and pressure cause your skin to develop thickened layers, the result of which is a corn or calluses. Hemorrhoids: Swollen blood vessels in the anus and rectum can cause the formation of skin tags. By doing so, you_ll be nourishing the Malibu MD Skin Tag Remover cells as they recover, which should further improve the results. So, you shall consult an expert before opting for topical application. Ingestion of castor without proper advice from a health expert must be avoided.