Size: 1 fl oz. The 1818 Farms Argan Face Serum contains all natural ingredients. Our serum is a blend of Argan, Evening Primrose and Grape Seed Oils, which are combined with a bit of Vitamin E and Lavender Essential Oil. Our Argan Face Serum is a "must have," daily moisturizing product. It only takes a few drops of this concentrated serum to feel hydrated. The serum absorbs quickly and is not greasy.