OPI RapiDry Top Coat is an extra fast drying top coat that seals your nail polish for a great result that lasts. The unique formula ensures that the polish does not scratch or break and leaves the nails with a glossy finish. RapiDry Top Coat gives a smooth finish. The soft brush makes it particularly easy to apply the polish to the nails in one smooth layer. Apply a coat of RapiDry Top Coat one minute after applying the last polish. The nails are ready to wear after just 2 minutes and hardened after approx. 5 minutes.