Kose Medicated Sekkisei Lotion Mask is an essential DIY tool for you to carry out skin-care in an easy and funny way.The product is a paper mask spread out by soaking in the Kose Whitening lotion. The hydrating level of treated skin is about 5 times more than the untreated skin (studied by Kose).This product is medicated and it comes with a container to ensure perfect hygiene for the best benefit of your skin.How to use1. Put a piece of lotion mask into a small container.2. Fill in the container with your favorite lotion.3. When the mask absorbs sufficient lotion, it will expand in size and ready for application.4. Place it on your face and wait for 5 minutes. Then remove the mask.