"the slipsilk™ difference Slip™ pure silk products are made using slipsilk™. Specially-commissioned and made to our exacting standards, slipsilk™ has been developed and refined for over ten years to provide the ultimate combination of shine, thickness, softness and durability. In laboratory testing, slipsilk™ was shown to absorb significantly less face cream and create 43% less friction, on average, versus cotton pillowcases*. *Compared to widely-available cotton pillowcases with a 220-360 thread count. We spend a third of our lives in bed. So what could be better than sleeping on a slip™ anti aging, anti sleep crease, anti bed head pure silk pillowcase? Slipsilk™ all day long with a luxurious slip™ pure silk headband