Touting countless skin healing properties, castor oil is created from the castor plant (Ricinus communis) which produces bean-like seeds. It is known to mostly grow in sub-tropic and tropic regions like Africa and the Mediterranean Basin. Having anti-inflammatory and antimicrobial effects, castor oil is often used in poultices and salves to promote healing and reduce signs of infection. Castor oil is comprised mostly of essential fatty acids called triglycerides known to be incredibly beneficial for human health. This valuable and highly-sought oil is considered a type of monounsaturated fat known to be incredibly hydrating for skin, because it is noted to be biologically more polar than other oils.