100% Pure Silky Satin Facial Beauty Pillowcase, KING, WHITE King Size 20 x 36 inch SILKY SUPER SMOOTH 100% Polyester Dermatologists recommend silky pillowcases for the prevention of wrinkles, dry skin, dry/frizzled hair, and morning bed head. contains amino acids used in moisturizers and hair care products, Minimizes wrinkles, Eliminates bed hair This is the most effective natural rejuvenation treatment for facial skin and hair. A natural protein fiber, silk offers the best sleep experience due to its properties: temperature regulating, hypoallergenic, and antimicrobial. Machine washable