Contrary to popular belief they can! A"easy surface with very little friction" means less yanking skin than with a conventional cotton pillowcase, states Schultz. "We receive'crush wrinkles' from sleeping our side/face, so we can get less of those when sleeping silk" A smooth surface could reduce that effect at the long run, although studies reveal that friction from turning and tossing causes creases from the skin. Investigate this source for effective information now.