The RUKEN Sheet Mask is a face pack containing abundant amounts of additive-free, high-purity collagen. Simply use it after washing your face or taking a bath to prevent skin dryness and keep your skin resilient and radiant. Because five kinds of moisturizing ingredients are contained in one mask, even busy people can take care of their skin in just one simple step and feel good as you have taken meticulous skincare. The collagen in the formula is extracted using the world’s first proprietary technology without using any solvents or chemicals. We recommend this product for those who feel daily skin stress, those who are too busy to take time for skin care, or want to maintain skin suppleness and make their skin look healthier.