castor oil
Castor Oil: The Ingredient Behind Our Best Formulas
Everything you need to know about castor oil in our products: the science, the benefits, and the Marianella products that feature it.
Why Castor Oil Belongs in Your Skincare Routine (2026 Guide)
Everything you need to know about castor oil in skincare: the science, the benefits, and the Marianella products that feature it.