Description | Dark Oil Mask: A light mask based on special oils. It nourishes the hair, maintaining its elasticity. naturale full-bodied. Dark Oil: product line Sebastian Professional enriched with una A precious infusion of oils that pamper all hair types, adding shine and softness without weighing it down. | | Ingredients | | Directions for use | | Benefits | | Dark Oil Mask: A light mask based on special oils. It nourishes the hair, maintaining its elasticity. naturale full-bodied. Dark Oil: product line Sebastian Professional enriched with una precious infusion of oils that pamper all hair types, giving shine and softness without weighing it down.