The #1 rated pillowcase in the world: The Skin Recovering Silk Pillowcase. Made from extremely soft, hypoallergenic mulberry silk for incredible sleep. Designed by dermatologists to recover your skin overnight and protect it from irritation- and acne-causing bacteria.✓ Prevents skin irritation✓ Prevents Fine lines and wrinkles✓ No hair breakage or hair loss✓ Luxurious bedding feel