The EZ Soak-Off Gel Polish Foundation Base Coat must be cured with LED light & UV light systems. Directions: Use after EZ Gel polish Cleanser. The EZ Soak-Off Gel Polish Foundation is applied directly to the nail & must be cured with LED light & UV light systems. LED cure time: 20 seconds UV cure time: 2 minutes Keep out of reach of children. For professional use. Discontinue use if sensitivity or irritation occurs.