slip Cracker Scrunchie Set in Sweetheart. slip Cracker Scrunchie Set in Sweetheart. A festive holiday cracker filled with award-winning slipsilk scrunchies for the hair obsessed. Includes 1 x crimson, 1 x white pure silk skinny scrunchies, and 1 x blush pure silk large scrunchie.. The multi award-winning skinny slip scrunchie is the perfect size for everyday use, and won't leave creases in your delicate hair. Made with slipsilk to be gentle on your delicate hair. Slip scrunchies are made with slipsilk, the same silk used in the award-winning slip pure silk pillowcase. SLIP-WU125. 810046987445. 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.