Give your hair (and skin) the beauty sleep it deserves with Slip’s anti-aging, anti-crease, anti-bedhead pillowcase. Made of signature slipsilk™ – high-grade (6A) long fiber mulberry silk with a thickness of 22 momme – to reduce friction while you sleep. It’s like an eight-hour beauty treatment every night! Created in 2003 in response to irritated skin and damaged hair, Slip creates soft pillowcases + eye masks to enhance shiny locks and the deepest beauty sleep.