Sleep and skincare go hand-in-hand. This dual-sided pillowcase supports clear, healthy skin year-round by allowing you to pick the best sleep surface for your skin...every night. How? Side one is for dry/normal skin. It is made of mulberry silk, designed to support nourishment and moisture retention. Side two is for normal/oily skin. It is made of 100% bamboo to wick moisture and oil away from your beauty assets.