Emerald Bay Definitely Dark® - Dark Tanning Recipe Authentic. Deep. Dark. Tropical. Dark Tanning Benefits. Sunflower, Olive, and Wheat Germ Oils deliver moisturizing benefits for ultra-dark tanning results. Agave Nectar®, from the noble desert plant, is enriched with premium skin care concentrates and fortified with nutritive vitamins to help provide tanners with supple skin and a healthy-looking tan. 9.00 oz. Delivered for $20.95