slip Hero Set in Maude - Beauty: NA. Size all. Give the best in beauty sleep with a limited edition gift set featuring slip's multi award-winning slipsilk pillowcase and scrunchies. Includes 1 x queen silk pillowcase with invisible zipper closure and 3 x pure silk skinny scrunchies. Slip's pillowcases have been shown to create 43% less friction, on average, on the face and hair - reducing skin stretching and creasing, and hair tangling and breakage. Slipsilk ™ is made from 100% of the highest grade (6A) long ?fiber mulberry silk with a thickness of 22 momme. Slipsilk ™ scrunchies are gentle on all hair types and help prevent damage or breakage. Cover pillow with pillowcase.. Tie hair with scrunchies to preserve curls, waves, and coils.. Use scrunchies for styles like buns and ponytails.. SLIP-WU101. 810046986172. In 2003, slip Co-Founder and CEO Fiona Stewart was prescribed acne medication which resulted in extremely sensitive skin and thinning hair. Her dermatologist suggested sleeping on a silk pillowcase. Unable to find one, she sourced the best silk she could find and wrapped it around her pillow. The results were dramatic and immediate, she's never looked back. She had stumbled upon a long-forgotten beauty secret - and slip was born.