Ingredient GlossaryDiscover more about these powerhouse ingredients behind the Estée Lauder formulas you love.Filter By: ALL A-C D-G H-M N-R S-Z Discover Ingredient Glossary Ricinus Communis (Castor) Seed Oil Ricinus Communis (Castor)Seed OilExtracted from food-grade castor seeds, this oil is composed of fatty acids that help condition the skin. Natural* Featured In*Per ISO Standard 16128. From plant sources, non-petroleum mineral sources, and/or water.