Erre Due Pro Gel Nail Polish for rich color, shine and duration of up to 10 days. With a unique gel texture for professional results at home, without using a lamp. For a lasting result, use Pro Gel Top Coat afterwards. Usage: Apply 2 coats of Pro Gel polish and leave for 2 minutes to dry. Then, apply 1 thin coat of Pro Gel Top Coat. Tip: For even longer duration, apply a coat of Diamond Base Coat or any other base you want and let it dry.