Sulwhasoo Perfecting Cushion EX Refill Only is an alternative to complete skin that is flawless because of its moisturizing and detailed coverage. The cushion foundation gives a slim-fit coverage that last for long hours and dewy finish to express perfect makeup. 10 options available.With Sulwhasoo s Slim Fit High Coverage method, this Perfecting Cushion offers smooth and long-lasting full coverage with a moisturizing finish. How to use: 1. Take a moderate quantity with the incorporated puff and apply across the entire face in a patting actions.