Mulberry Silk Pillowcase 22mm Purity!Experience the luxurious feeling of sleeping on silk! The smooth surface of a 100% Mulberry Silk Pillowcase creates less friction for the skin than other traditional fabrics like cotton resulting in less lines and creases on the face. Less friction and increased moisture also results in the feeling of softer, smoother hairsay goodbye to frizzies and bed head! 22 Momme 100% Pure Mulberry Silk. Those looking to boost natural skin hydration. People