Akentz Luxio UV/Led Soak Off Gel Polish. LuvNailz. Serenity is the most perfect pink, with just a slight hint warmth. Serenity is a light ballerina pink with a flat finish. Luxio is 100% pure gel that is odorless and solvent free. Because it is not mixed with polish like some other brands, it offers more durability without any of the traditional side effects.