<How to set the foundation> ●Take out the dramatic cushion jelly (refill) and set it in the case. ●When inserting, align the ▲ mark on the refill container with the ★ mark on the case while the lid of the refill container is closed. Push it down until it clicks. ●When replacing the refill, open the case, turn it inside out, place the pads of your thumbs on the bottom of the refill, and pull it out while pushing.