Check the listing for details. Iluminage Pillowcase - King & Standard Size. Color: Beige, Condition: New with tags. Listed at 39.99 USD. The Skin Rejuvenating Pillowcases from Iluminage is an overnight solution to maintain youthful-looking skin. With a silky soft feel for a comfortable night's sleep, the innovative pillowcases have been clinically proven to visibly reduce the appearance of ageing, including fine lines and crow's feet in as little as four weeks. Pillowcase fibres are infused with copper oxide, an essential mineral to allow you to fight wrinkles with your eyes closed. When in contact with skin, copper ions are transferred into the moisture space between the fabric and skin to promote natural cell renewal. Safe and non-irritating to skin. E.N. 100% Cupron® Copper Oxide Polyester Thread Count: 249 King Size: 20 x 36in. Standard Size: 20 x 26in.